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$path =~ s|(/\.)+/|/|g; # xx/././xx -> xx/xx
$path =~ s|^(\./)+||s unless $path eq "./"; # ./xx -> xx
$path =~ s|^/(\.\./)+|/|s; # /../../xx -> xx
$path =~ s|/\Z(?!\n)|| unless $path eq "/"; # xx/ -> xx
return $path;
}
=pod
=head1 AUTHOR
o.flebbe@gmx.de
=head1 COPYRIGHT
Copyright (c) 2004 by the Perl 5 Porters. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 SEE ALSO
See L and L. This package overrides the
implementation of these methods, not the semantics.
=cut
1;
PK !
5m Spec/Cygwin.pmnu [ package File::Spec::Cygwin;
use strict;
require File::Spec::Unix;
our $VERSION = '3.74';
$VERSION =~ tr/_//d;
our @ISA = qw(File::Spec::Unix);
=head1 NAME
File::Spec::Cygwin - methods for Cygwin file specs
=head1 SYNOPSIS
require File::Spec::Cygwin; # Done internally by File::Spec if needed
=head1 DESCRIPTION
See L and L. This package overrides the
implementation of these methods, not the semantics.
This module is still in beta. Cygwin-knowledgeable folks are invited
to offer patches and suggestions.
=cut
=pod
=over 4
=item canonpath
Any C<\> (backslashes) are converted to C (forward slashes),
and then File::Spec::Unix canonpath() is called on the result.
=cut
sub canonpath {
my($self,$path) = @_;
return unless defined $path;
$path =~ s|\\|/|g;
# Handle network path names beginning with double slash
my $node = '';
if ( $path =~ s@^(//[^/]+)(?:/|\z)@/@s ) {
$node = $1;
}
return $node . $self->SUPER::canonpath($path);
}
sub catdir {
my $self = shift;
return unless @_;
# Don't create something that looks like a //network/path
if ($_[0] and ($_[0] eq '/' or $_[0] eq '\\')) {
shift;
return $self->SUPER::catdir('', @_);
}
$self->SUPER::catdir(@_);
}
=pod
=item file_name_is_absolute
True is returned if the file name begins with C,
and if not, File::Spec::Unix file_name_is_absolute() is called.
=cut
sub file_name_is_absolute {
my ($self,$file) = @_;
return 1 if $file =~ m{^([a-z]:)?[\\/]}is; # C:/test
return $self->SUPER::file_name_is_absolute($file);
}
=item tmpdir (override)
Returns a string representation of the first existing directory
from the following list:
$ENV{TMPDIR}
/tmp
$ENV{'TMP'}
$ENV{'TEMP'}
C:/temp
If running under taint mode, and if the environment
variables are tainted, they are not used.
=cut
sub tmpdir {
my $cached = $_[0]->_cached_tmpdir(qw 'TMPDIR TMP TEMP');
return $cached if defined $cached;
$_[0]->_cache_tmpdir(
$_[0]->_tmpdir(
$ENV{TMPDIR}, "/tmp", $ENV{'TMP'}, $ENV{'TEMP'}, 'C:/temp'
),
qw 'TMPDIR TMP TEMP'
);
}
=item case_tolerant
Override Unix. Cygwin case-tolerance depends on managed mount settings and
as with MsWin32 on GetVolumeInformation() $ouFsFlags == FS_CASE_SENSITIVE,
indicating the case significance when comparing file specifications.
Default: 1
=cut
sub case_tolerant {
return 1 unless $^O eq 'cygwin'
and defined &Cygwin::mount_flags;
my $drive = shift;
if (! $drive) {
my @flags = split(/,/, Cygwin::mount_flags('/cygwin'));
my $prefix = pop(@flags);
if (! $prefix || $prefix eq 'cygdrive') {
$drive = '/cygdrive/c';
} elsif ($prefix eq '/') {
$drive = '/c';
} else {
$drive = "$prefix/c";
}
}
my $mntopts = Cygwin::mount_flags($drive);
if ($mntopts and ($mntopts =~ /,managed/)) {
return 0;
}
eval {
local @INC = @INC;
pop @INC if $INC[-1] eq '.';
require Win32API::File;
} or return 1;
my $osFsType = "\0"x256;
my $osVolName = "\0"x256;
my $ouFsFlags = 0;
Win32API::File::GetVolumeInformation($drive, $osVolName, 256, [], [], $ouFsFlags, $osFsType, 256 );
if ($ouFsFlags & Win32API::File::FS_CASE_SENSITIVE()) { return 0; }
else { return 1; }
}
=back
=head1 COPYRIGHT
Copyright (c) 2004,2007 by the Perl 5 Porters. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
1;
PK ! F > > Spec/Unix.pmnu [ package File::Spec::Unix;
use strict;
use Cwd ();
our $VERSION = '3.74';
$VERSION =~ tr/_//d;
=head1 NAME
File::Spec::Unix - File::Spec for Unix, base for other File::Spec modules
=head1 SYNOPSIS
require File::Spec::Unix; # Done automatically by File::Spec
=head1 DESCRIPTION
Methods for manipulating file specifications. Other File::Spec
modules, such as File::Spec::Mac, inherit from File::Spec::Unix and
override specific methods.
=head1 METHODS
=over 2
=item canonpath()
No physical check on the filesystem, but a logical cleanup of a
path. On UNIX eliminates successive slashes and successive "/.".
$cpath = File::Spec->canonpath( $path ) ;
Note that this does *not* collapse F sections into F. This
is by design. If F on your system is a symlink to F,
then F is actually F, not F as a naive
F<../>-removal would give you. If you want to do this kind of
processing, you probably want C's C function to
actually traverse the filesystem cleaning up paths like this.
=cut
sub _pp_canonpath {
my ($self,$path) = @_;
return unless defined $path;
# Handle POSIX-style node names beginning with double slash (qnx, nto)
# (POSIX says: "a pathname that begins with two successive slashes
# may be interpreted in an implementation-defined manner, although
# more than two leading slashes shall be treated as a single slash.")
my $node = '';
my $double_slashes_special = $^O eq 'qnx' || $^O eq 'nto';
if ( $double_slashes_special
&& ( $path =~ s{^(//[^/]+)/?\z}{}s || $path =~ s{^(//[^/]+)/}{/}s ) ) {
$node = $1;
}
# This used to be
# $path =~ s|/+|/|g unless ($^O eq 'cygwin');
# but that made tests 29, 30, 35, 46, and 213 (as of #13272) to fail
# (Mainly because trailing "" directories didn't get stripped).
# Why would cygwin avoid collapsing multiple slashes into one? --jhi
$path =~ s|/{2,}|/|g; # xx////xx -> xx/xx
$path =~ s{(?:/\.)+(?:/|\z)}{/}g; # xx/././xx -> xx/xx
$path =~ s|^(?:\./)+||s unless $path eq "./"; # ./xx -> xx
$path =~ s|^/(?:\.\./)+|/|; # /../../xx -> xx
$path =~ s|^/\.\.$|/|; # /.. -> /
$path =~ s|/\z|| unless $path eq "/"; # xx/ -> xx
return "$node$path";
}
*canonpath = \&_pp_canonpath unless defined &canonpath;
=item catdir()
Concatenate two or more directory names to form a complete path ending
with a directory. But remove the trailing slash from the resulting
string, because it doesn't look good, isn't necessary and confuses
OS2. Of course, if this is the root directory, don't cut off the
trailing slash :-)
=cut
sub _pp_catdir {
my $self = shift;
$self->canonpath(join('/', @_, '')); # '' because need a trailing '/'
}
*catdir = \&_pp_catdir unless defined &catdir;
=item catfile
Concatenate one or more directory names and a filename to form a
complete path ending with a filename
=cut
sub _pp_catfile {
my $self = shift;
my $file = $self->canonpath(pop @_);
return $file unless @_;
my $dir = $self->catdir(@_);
$dir .= "/" unless substr($dir,-1) eq "/";
return $dir.$file;
}
*catfile = \&_pp_catfile unless defined &catfile;
=item curdir
Returns a string representation of the current directory. "." on UNIX.
=cut
sub curdir { '.' }
use constant _fn_curdir => ".";
=item devnull
Returns a string representation of the null device. "/dev/null" on UNIX.
=cut
sub devnull { '/dev/null' }
use constant _fn_devnull => "/dev/null";
=item rootdir
Returns a string representation of the root directory. "/" on UNIX.
=cut
sub rootdir { '/' }
use constant _fn_rootdir => "/";
=item tmpdir
Returns a string representation of the first writable directory from
the following list or the current directory if none from the list are
writable:
$ENV{TMPDIR}
/tmp
If running under taint mode, and if $ENV{TMPDIR}
is tainted, it is not used.
=cut
my ($tmpdir, %tmpenv);
# Cache and return the calculated tmpdir, recording which env vars
# determined it.
sub _cache_tmpdir {
@tmpenv{@_[2..$#_]} = @ENV{@_[2..$#_]};
return $tmpdir = $_[1];
}
# Retrieve the cached tmpdir, checking first whether relevant env vars have
# changed and invalidated the cache.
sub _cached_tmpdir {
shift;
local $^W;
return if grep $ENV{$_} ne $tmpenv{$_}, @_;
return $tmpdir;
}
sub _tmpdir {
my $self = shift;
my @dirlist = @_;
my $taint = do { no strict 'refs'; ${"\cTAINT"} };
if ($taint) { # Check for taint mode on perl >= 5.8.0
require Scalar::Util;
@dirlist = grep { ! Scalar::Util::tainted($_) } @dirlist;
}
elsif ($] < 5.007) { # No ${^TAINT} before 5.8
@dirlist = grep { !defined($_) || eval { eval('1'.substr $_,0,0) } }
@dirlist;
}
foreach (@dirlist) {
next unless defined && -d && -w _;
$tmpdir = $_;
last;
}
$tmpdir = $self->curdir unless defined $tmpdir;
$tmpdir = defined $tmpdir && $self->canonpath($tmpdir);
if ( !$self->file_name_is_absolute($tmpdir) ) {
# See [perl #120593] for the full details
# If possible, return a full path, rather than '.' or 'lib', but
# jump through some hoops to avoid returning a tainted value.
($tmpdir) = grep {
$taint ? ! Scalar::Util::tainted($_) :
$] < 5.007 ? eval { eval('1'.substr $_,0,0) } : 1
} $self->rel2abs($tmpdir), $tmpdir;
}
return $tmpdir;
}
sub tmpdir {
my $cached = $_[0]->_cached_tmpdir('TMPDIR');
return $cached if defined $cached;
$_[0]->_cache_tmpdir($_[0]->_tmpdir( $ENV{TMPDIR}, "/tmp" ), 'TMPDIR');
}
=item updir
Returns a string representation of the parent directory. ".." on UNIX.
=cut
sub updir { '..' }
use constant _fn_updir => "..";
=item no_upwards
Given a list of file names, strip out those that refer to a parent
directory. (Does not strip symlinks, only '.', '..', and equivalents.)
=cut
sub no_upwards {
my $self = shift;
return grep(!/^\.{1,2}\z/s, @_);
}
=item case_tolerant
Returns a true or false value indicating, respectively, that alphabetic
is not or is significant when comparing file specifications.
=cut
sub case_tolerant { 0 }
use constant _fn_case_tolerant => 0;
=item file_name_is_absolute
Takes as argument a path and returns true if it is an absolute path.
This does not consult the local filesystem on Unix, Win32, OS/2 or Mac
OS (Classic). It does consult the working environment for VMS (see
L).
=cut
sub file_name_is_absolute {
my ($self,$file) = @_;
return scalar($file =~ m:^/:s);
}
=item path
Takes no argument, returns the environment variable PATH as an array.
=cut
sub path {
return () unless exists $ENV{PATH};
my @path = split(':', $ENV{PATH});
foreach (@path) { $_ = '.' if $_ eq '' }
return @path;
}
=item join
join is the same as catfile.
=cut
sub join {
my $self = shift;
return $self->catfile(@_);
}
=item splitpath
($volume,$directories,$file) = File::Spec->splitpath( $path );
($volume,$directories,$file) = File::Spec->splitpath( $path,
$no_file );
Splits a path into volume, directory, and filename portions. On systems
with no concept of volume, returns '' for volume.
For systems with no syntax differentiating filenames from directories,
assumes that the last file is a path unless $no_file is true or a
trailing separator or /. or /.. is present. On Unix this means that $no_file
true makes this return ( '', $path, '' ).
The directory portion may or may not be returned with a trailing '/'.
The results can be passed to L to get back a path equivalent to
(usually identical to) the original path.
=cut
sub splitpath {
my ($self,$path, $nofile) = @_;
my ($volume,$directory,$file) = ('','','');
if ( $nofile ) {
$directory = $path;
}
else {
$path =~ m|^ ( (?: .* / (?: \.\.?\z )? )? ) ([^/]*) |xs;
$directory = $1;
$file = $2;
}
return ($volume,$directory,$file);
}
=item splitdir
The opposite of L.
@dirs = File::Spec->splitdir( $directories );
$directories must be only the directory portion of the path on systems
that have the concept of a volume or that have path syntax that differentiates
files from directories.
Unlike just splitting the directories on the separator, empty
directory names (C<''>) can be returned, because these are significant
on some OSs.
On Unix,
File::Spec->splitdir( "/a/b//c/" );
Yields:
( '', 'a', 'b', '', 'c', '' )
=cut
sub splitdir {
return split m|/|, $_[1], -1; # Preserve trailing fields
}
=item catpath()
Takes volume, directory and file portions and returns an entire path. Under
Unix, $volume is ignored, and directory and file are concatenated. A '/' is
inserted if needed (though if the directory portion doesn't start with
'/' it is not added). On other OSs, $volume is significant.
=cut
sub catpath {
my ($self,$volume,$directory,$file) = @_;
if ( $directory ne '' &&
$file ne '' &&
substr( $directory, -1 ) ne '/' &&
substr( $file, 0, 1 ) ne '/'
) {
$directory .= "/$file" ;
}
else {
$directory .= $file ;
}
return $directory ;
}
=item abs2rel
Takes a destination path and an optional base path returns a relative path
from the base path to the destination path:
$rel_path = File::Spec->abs2rel( $path ) ;
$rel_path = File::Spec->abs2rel( $path, $base ) ;
If $base is not present or '', then L is used. If $base is
relative, then it is converted to absolute form using
L. This means that it is taken to be relative to
L.
On systems that have a grammar that indicates filenames, this ignores the
$base filename. Otherwise all path components are assumed to be
directories.
If $path is relative, it is converted to absolute form using L.
This means that it is taken to be relative to L.
No checks against the filesystem are made, so the result may not be correct if
C<$base> contains symbolic links. (Apply
L beforehand if that
is a concern.) On VMS, there is interaction with the working environment, as
logicals and macros are expanded.
Based on code written by Shigio Yamaguchi.
=cut
sub abs2rel {
my($self,$path,$base) = @_;
$base = Cwd::getcwd() unless defined $base and length $base;
($path, $base) = map $self->canonpath($_), $path, $base;
my $path_directories;
my $base_directories;
if (grep $self->file_name_is_absolute($_), $path, $base) {
($path, $base) = map $self->rel2abs($_), $path, $base;
my ($path_volume) = $self->splitpath($path, 1);
my ($base_volume) = $self->splitpath($base, 1);
# Can't relativize across volumes
return $path unless $path_volume eq $base_volume;
$path_directories = ($self->splitpath($path, 1))[1];
$base_directories = ($self->splitpath($base, 1))[1];
# For UNC paths, the user might give a volume like //foo/bar that
# strictly speaking has no directory portion. Treat it as if it
# had the root directory for that volume.
if (!length($base_directories) and $self->file_name_is_absolute($base)) {
$base_directories = $self->rootdir;
}
}
else {
my $wd= ($self->splitpath(Cwd::getcwd(), 1))[1];
$path_directories = $self->catdir($wd, $path);
$base_directories = $self->catdir($wd, $base);
}
# Now, remove all leading components that are the same
my @pathchunks = $self->splitdir( $path_directories );
my @basechunks = $self->splitdir( $base_directories );
if ($base_directories eq $self->rootdir) {
return $self->curdir if $path_directories eq $self->rootdir;
shift @pathchunks;
return $self->canonpath( $self->catpath('', $self->catdir( @pathchunks ), '') );
}
my @common;
while (@pathchunks && @basechunks && $self->_same($pathchunks[0], $basechunks[0])) {
push @common, shift @pathchunks ;
shift @basechunks ;
}
return $self->curdir unless @pathchunks || @basechunks;
# @basechunks now contains the directories the resulting relative path
# must ascend out of before it can descend to $path_directory. If there
# are updir components, we must descend into the corresponding directories
# (this only works if they are no symlinks).
my @reverse_base;
while( defined(my $dir= shift @basechunks) ) {
if( $dir ne $self->updir ) {
unshift @reverse_base, $self->updir;
push @common, $dir;
}
elsif( @common ) {
if( @reverse_base && $reverse_base[0] eq $self->updir ) {
shift @reverse_base;
pop @common;
}
else {
unshift @reverse_base, pop @common;
}
}
}
my $result_dirs = $self->catdir( @reverse_base, @pathchunks );
return $self->canonpath( $self->catpath('', $result_dirs, '') );
}
sub _same {
$_[1] eq $_[2];
}
=item rel2abs()
Converts a relative path to an absolute path.
$abs_path = File::Spec->rel2abs( $path ) ;
$abs_path = File::Spec->rel2abs( $path, $base ) ;
If $base is not present or '', then L is used. If $base is
relative, then it is converted to absolute form using
L. This means that it is taken to be relative to
L.
On systems that have a grammar that indicates filenames, this ignores
the $base filename. Otherwise all path components are assumed to be
directories.
If $path is absolute, it is cleaned up and returned using L.
No checks against the filesystem are made. On VMS, there is
interaction with the working environment, as logicals and
macros are expanded.
Based on code written by Shigio Yamaguchi.
=cut
sub rel2abs {
my ($self,$path,$base ) = @_;
# Clean up $path
if ( ! $self->file_name_is_absolute( $path ) ) {
# Figure out the effective $base and clean it up.
if ( !defined( $base ) || $base eq '' ) {
$base = Cwd::getcwd();
}
elsif ( ! $self->file_name_is_absolute( $base ) ) {
$base = $self->rel2abs( $base ) ;
}
else {
$base = $self->canonpath( $base ) ;
}
# Glom them together
$path = $self->catdir( $base, $path ) ;
}
return $self->canonpath( $path ) ;
}
=back
=head1 COPYRIGHT
Copyright (c) 2004 by the Perl 5 Porters. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
Please submit bug reports and patches to perlbug@perl.org.
=head1 SEE ALSO
L
=cut
# Internal method to reduce xx\..\yy -> yy
sub _collapse {
my($fs, $path) = @_;
my $updir = $fs->updir;
my $curdir = $fs->curdir;
my($vol, $dirs, $file) = $fs->splitpath($path);
my @dirs = $fs->splitdir($dirs);
pop @dirs if @dirs && $dirs[-1] eq '';
my @collapsed;
foreach my $dir (@dirs) {
if( $dir eq $updir and # if we have an updir
@collapsed and # and something to collapse
length $collapsed[-1] and # and its not the rootdir
$collapsed[-1] ne $updir and # nor another updir
$collapsed[-1] ne $curdir # nor the curdir
)
{ # then
pop @collapsed; # collapse
}
else { # else
push @collapsed, $dir; # just hang onto it
}
}
return $fs->catpath($vol,
$fs->catdir(@collapsed),
$file
);
}
1;
PK ! W W Spec/Mac.pmnu [ package File::Spec::Mac;
use strict;
use Cwd ();
require File::Spec::Unix;
our $VERSION = '3.74';
$VERSION =~ tr/_//d;
our @ISA = qw(File::Spec::Unix);
sub case_tolerant { 1 }
=head1 NAME
File::Spec::Mac - File::Spec for Mac OS (Classic)
=head1 SYNOPSIS
require File::Spec::Mac; # Done internally by File::Spec if needed
=head1 DESCRIPTION
Methods for manipulating file specifications.
=head1 METHODS
=over 2
=item canonpath
On Mac OS, there's nothing to be done. Returns what it's given.
=cut
sub canonpath {
my ($self,$path) = @_;
return $path;
}
=item catdir()
Concatenate two or more directory names to form a path separated by colons
(":") ending with a directory. Resulting paths are B by default,
but can be forced to be absolute (but avoid this, see below). Automatically
puts a trailing ":" on the end of the complete path, because that's what's
done in MacPerl's environment and helps to distinguish a file path from a
directory path.
B Beginning with version 1.3 of this module, the resulting
path is relative by default and I absolute. This decision was made due
to portability reasons. Since Ccatdir()> returns relative paths
on all other operating systems, it will now also follow this convention on Mac
OS. Note that this may break some existing scripts.
The intended purpose of this routine is to concatenate I.
But because of the nature of Macintosh paths, some additional possibilities
are allowed to make using this routine give reasonable results for some
common situations. In other words, you are also allowed to concatenate
I instead of directory names (strictly speaking, a string like ":a"
is a path, but not a name, since it contains a punctuation character ":").
So, beside calls like
catdir("a") = ":a:"
catdir("a","b") = ":a:b:"
catdir() = "" (special case)
calls like the following
catdir(":a:") = ":a:"
catdir(":a","b") = ":a:b:"
catdir(":a:","b") = ":a:b:"
catdir(":a:",":b:") = ":a:b:"
catdir(":") = ":"
are allowed.
Here are the rules that are used in C; note that we try to be as
compatible as possible to Unix:
=over 2
=item 1.
The resulting path is relative by default, i.e. the resulting path will have a
leading colon.
=item 2.
A trailing colon is added automatically to the resulting path, to denote a
directory.
=item 3.
Generally, each argument has one leading ":" and one trailing ":"
removed (if any). They are then joined together by a ":". Special
treatment applies for arguments denoting updir paths like "::lib:",
see (4), or arguments consisting solely of colons ("colon paths"),
see (5).
=item 4.
When an updir path like ":::lib::" is passed as argument, the number
of directories to climb up is handled correctly, not removing leading
or trailing colons when necessary. E.g.
catdir(":::a","::b","c") = ":::a::b:c:"
catdir(":::a::","::b","c") = ":::a:::b:c:"
=item 5.
Adding a colon ":" or empty string "" to a path at I position
doesn't alter the path, i.e. these arguments are ignored. (When a ""
is passed as the first argument, it has a special meaning, see
(6)). This way, a colon ":" is handled like a "." (curdir) on Unix,
while an empty string "" is generally ignored (see
L ). Likewise, a "::" is handled like a ".."
(updir), and a ":::" is handled like a "../.." etc. E.g.
catdir("a",":",":","b") = ":a:b:"
catdir("a",":","::",":b") = ":a::b:"
=item 6.
If the first argument is an empty string "" or is a volume name, i.e. matches
the pattern /^[^:]+:/, the resulting path is B.
=item 7.
Passing an empty string "" as the first argument to C is
like passingCrootdir()> as the first argument, i.e.
catdir("","a","b") is the same as
catdir(rootdir(),"a","b").
This is true on Unix, where C yields "/a/b" and
C is "/". Note that C on Mac OS is the startup
volume, which is the closest in concept to Unix' "/". This should help
to run existing scripts originally written for Unix.
=item 8.
For absolute paths, some cleanup is done, to ensure that the volume
name isn't immediately followed by updirs. This is invalid, because
this would go beyond "root". Generally, these cases are handled like
their Unix counterparts:
Unix:
Unix->catdir("","") = "/"
Unix->catdir("",".") = "/"
Unix->catdir("","..") = "/" # can't go
# beyond root
Unix->catdir("",".","..","..","a") = "/a"
Mac:
Mac->catdir("","") = rootdir() # (e.g. "HD:")
Mac->catdir("",":") = rootdir()
Mac->catdir("","::") = rootdir() # can't go
# beyond root
Mac->catdir("",":","::","::","a") = rootdir() . "a:"
# (e.g. "HD:a:")
However, this approach is limited to the first arguments following
"root" (again, see L. If there are more
arguments that move up the directory tree, an invalid path going
beyond root can be created.
=back
As you've seen, you can force C to create an absolute path
by passing either an empty string or a path that begins with a volume
name as the first argument. However, you are strongly encouraged not
to do so, since this is done only for backward compatibility. Newer
versions of File::Spec come with a method called C (see
below), that is designed to offer a portable solution for the creation
of absolute paths. It takes volume, directory and file portions and
returns an entire path. While C is still suitable for the
concatenation of I, you are encouraged to use
C to concatenate I and I. E.g.
$dir = File::Spec->catdir("tmp","sources");
$abs_path = File::Spec->catpath("MacintoshHD:", $dir,"");
yields
"MacintoshHD:tmp:sources:" .
=cut
sub catdir {
my $self = shift;
return '' unless @_;
my @args = @_;
my $first_arg;
my $relative;
# take care of the first argument
if ($args[0] eq '') { # absolute path, rootdir
shift @args;
$relative = 0;
$first_arg = $self->rootdir;
} elsif ($args[0] =~ /^[^:]+:/) { # absolute path, volume name
$relative = 0;
$first_arg = shift @args;
# add a trailing ':' if need be (may be it's a path like HD:dir)
$first_arg = "$first_arg:" unless ($first_arg =~ /:\Z(?!\n)/);
} else { # relative path
$relative = 1;
if ( $args[0] =~ /^::+\Z(?!\n)/ ) {
# updir colon path ('::', ':::' etc.), don't shift
$first_arg = ':';
} elsif ($args[0] eq ':') {
$first_arg = shift @args;
} else {
# add a trailing ':' if need be
$first_arg = shift @args;
$first_arg = "$first_arg:" unless ($first_arg =~ /:\Z(?!\n)/);
}
}
# For all other arguments,
# (a) ignore arguments that equal ':' or '',
# (b) handle updir paths specially:
# '::' -> concatenate '::'
# '::' . '::' -> concatenate ':::' etc.
# (c) add a trailing ':' if need be
my $result = $first_arg;
while (@args) {
my $arg = shift @args;
unless (($arg eq '') || ($arg eq ':')) {
if ($arg =~ /^::+\Z(?!\n)/ ) { # updir colon path like ':::'
my $updir_count = length($arg) - 1;
while ((@args) && ($args[0] =~ /^::+\Z(?!\n)/) ) { # while updir colon path
$arg = shift @args;
$updir_count += (length($arg) - 1);
}
$arg = (':' x $updir_count);
} else {
$arg =~ s/^://s; # remove a leading ':' if any
$arg = "$arg:" unless ($arg =~ /:\Z(?!\n)/); # ensure trailing ':'
}
$result .= $arg;
}#unless
}
if ( ($relative) && ($result !~ /^:/) ) {
# add a leading colon if need be
$result = ":$result";
}
unless ($relative) {
# remove updirs immediately following the volume name
$result =~ s/([^:]+:)(:*)(.*)\Z(?!\n)/$1$3/;
}
return $result;
}
=item catfile
Concatenate one or more directory names and a filename to form a
complete path ending with a filename. Resulting paths are B
by default, but can be forced to be absolute (but avoid this).
B Beginning with version 1.3 of this module, the
resulting path is relative by default and I absolute. This
decision was made due to portability reasons. Since
Ccatfile()> returns relative paths on all other
operating systems, it will now also follow this convention on Mac OS.
Note that this may break some existing scripts.
The last argument is always considered to be the file portion. Since
C uses C (see above) for the concatenation of the
directory portions (if any), the following with regard to relative and
absolute paths is true:
catfile("") = ""
catfile("file") = "file"
but
catfile("","") = rootdir() # (e.g. "HD:")
catfile("","file") = rootdir() . file # (e.g. "HD:file")
catfile("HD:","file") = "HD:file"
This means that C is called only when there are two or more
arguments, as one might expect.
Note that the leading ":" is removed from the filename, so that
catfile("a","b","file") = ":a:b:file" and
catfile("a","b",":file") = ":a:b:file"
give the same answer.
To concatenate I, I and I,
you are encouraged to use C (see below).
=cut
sub catfile {
my $self = shift;
return '' unless @_;
my $file = pop @_;
return $file unless @_;
my $dir = $self->catdir(@_);
$file =~ s/^://s;
return $dir.$file;
}
=item curdir
Returns a string representing the current directory. On Mac OS, this is ":".
=cut
sub curdir {
return ":";
}
=item devnull
Returns a string representing the null device. On Mac OS, this is "Dev:Null".
=cut
sub devnull {
return "Dev:Null";
}
=item rootdir
Returns the empty string. Mac OS has no real root directory.
=cut
sub rootdir { '' }
=item tmpdir
Returns the contents of $ENV{TMPDIR}, if that directory exits or the
current working directory otherwise. Under MacPerl, $ENV{TMPDIR} will
contain a path like "MacintoshHD:Temporary Items:", which is a hidden
directory on your startup volume.
=cut
sub tmpdir {
my $cached = $_[0]->_cached_tmpdir('TMPDIR');
return $cached if defined $cached;
$_[0]->_cache_tmpdir($_[0]->_tmpdir( $ENV{TMPDIR} ), 'TMPDIR');
}
=item updir
Returns a string representing the parent directory. On Mac OS, this is "::".
=cut
sub updir {
return "::";
}
=item file_name_is_absolute
Takes as argument a path and returns true, if it is an absolute path.
If the path has a leading ":", it's a relative path. Otherwise, it's an
absolute path, unless the path doesn't contain any colons, i.e. it's a name
like "a". In this particular case, the path is considered to be relative
(i.e. it is considered to be a filename). Use ":" in the appropriate place
in the path if you want to distinguish unambiguously. As a special case,
the filename '' is always considered to be absolute. Note that with version
1.2 of File::Spec::Mac, this does no longer consult the local filesystem.
E.g.
File::Spec->file_name_is_absolute("a"); # false (relative)
File::Spec->file_name_is_absolute(":a:b:"); # false (relative)
File::Spec->file_name_is_absolute("MacintoshHD:");
# true (absolute)
File::Spec->file_name_is_absolute(""); # true (absolute)
=cut
sub file_name_is_absolute {
my ($self,$file) = @_;
if ($file =~ /:/) {
return (! ($file =~ m/^:/s) );
} elsif ( $file eq '' ) {
return 1 ;
} else {
return 0; # i.e. a file like "a"
}
}
=item path
Returns the null list for the MacPerl application, since the concept is
usually meaningless under Mac OS. But if you're using the MacPerl tool under
MPW, it gives back $ENV{Commands} suitably split, as is done in
:lib:ExtUtils:MM_Mac.pm.
=cut
sub path {
#
# The concept is meaningless under the MacPerl application.
# Under MPW, it has a meaning.
#
return unless exists $ENV{Commands};
return split(/,/, $ENV{Commands});
}
=item splitpath
($volume,$directories,$file) = File::Spec->splitpath( $path );
($volume,$directories,$file) = File::Spec->splitpath( $path,
$no_file );
Splits a path into volume, directory, and filename portions.
On Mac OS, assumes that the last part of the path is a filename unless
$no_file is true or a trailing separator ":" is present.
The volume portion is always returned with a trailing ":". The directory portion
is always returned with a leading (to denote a relative path) and a trailing ":"
(to denote a directory). The file portion is always returned I a leading ":".
Empty portions are returned as empty string ''.
The results can be passed to C to get back a path equivalent to
(usually identical to) the original path.
=cut
sub splitpath {
my ($self,$path, $nofile) = @_;
my ($volume,$directory,$file);
if ( $nofile ) {
( $volume, $directory ) = $path =~ m|^((?:[^:]+:)?)(.*)|s;
}
else {
$path =~
m|^( (?: [^:]+: )? )
( (?: .*: )? )
( .* )
|xs;
$volume = $1;
$directory = $2;
$file = $3;
}
$volume = '' unless defined($volume);
$directory = ":$directory" if ( $volume && $directory ); # take care of "HD::dir"
if ($directory) {
# Make sure non-empty directories begin and end in ':'
$directory .= ':' unless (substr($directory,-1) eq ':');
$directory = ":$directory" unless (substr($directory,0,1) eq ':');
} else {
$directory = '';
}
$file = '' unless defined($file);
return ($volume,$directory,$file);
}
=item splitdir
The opposite of C.
@dirs = File::Spec->splitdir( $directories );
$directories should be only the directory portion of the path on systems
that have the concept of a volume or that have path syntax that differentiates
files from directories. Consider using C otherwise.
Unlike just splitting the directories on the separator, empty directory names
(C<"">) can be returned. Since C on Mac OS always appends a trailing
colon to distinguish a directory path from a file path, a single trailing colon
will be ignored, i.e. there's no empty directory name after it.
Hence, on Mac OS, both
File::Spec->splitdir( ":a:b::c:" ); and
File::Spec->splitdir( ":a:b::c" );
yield:
( "a", "b", "::", "c")
while
File::Spec->splitdir( ":a:b::c::" );
yields:
( "a", "b", "::", "c", "::")
=cut
sub splitdir {
my ($self, $path) = @_;
my @result = ();
my ($head, $sep, $tail, $volume, $directories);
return @result if ( (!defined($path)) || ($path eq '') );
return (':') if ($path eq ':');
( $volume, $sep, $directories ) = $path =~ m|^((?:[^:]+:)?)(:*)(.*)|s;
# deprecated, but handle it correctly
if ($volume) {
push (@result, $volume);
$sep .= ':';
}
while ($sep || $directories) {
if (length($sep) > 1) {
my $updir_count = length($sep) - 1;
for (my $i=0; $i<$updir_count; $i++) {
# push '::' updir_count times;
# simulate Unix '..' updirs
push (@result, '::');
}
}
$sep = '';
if ($directories) {
( $head, $sep, $tail ) = $directories =~ m|^((?:[^:]+)?)(:*)(.*)|s;
push (@result, $head);
$directories = $tail;
}
}
return @result;
}
=item catpath
$path = File::Spec->catpath($volume,$directory,$file);
Takes volume, directory and file portions and returns an entire path. On Mac OS,
$volume, $directory and $file are concatenated. A ':' is inserted if need be. You
may pass an empty string for each portion. If all portions are empty, the empty
string is returned. If $volume is empty, the result will be a relative path,
beginning with a ':'. If $volume and $directory are empty, a leading ":" (if any)
is removed form $file and the remainder is returned. If $file is empty, the
resulting path will have a trailing ':'.
=cut
sub catpath {
my ($self,$volume,$directory,$file) = @_;
if ( (! $volume) && (! $directory) ) {
$file =~ s/^:// if $file;
return $file ;
}
# We look for a volume in $volume, then in $directory, but not both
my ($dir_volume, $dir_dirs) = $self->splitpath($directory, 1);
$volume = $dir_volume unless length $volume;
my $path = $volume; # may be ''
$path .= ':' unless (substr($path, -1) eq ':'); # ensure trailing ':'
if ($directory) {
$directory = $dir_dirs if $volume;
$directory =~ s/^://; # remove leading ':' if any
$path .= $directory;
$path .= ':' unless (substr($path, -1) eq ':'); # ensure trailing ':'
}
if ($file) {
$file =~ s/^://; # remove leading ':' if any
$path .= $file;
}
return $path;
}
=item abs2rel
Takes a destination path and an optional base path and returns a relative path
from the base path to the destination path:
$rel_path = File::Spec->abs2rel( $path ) ;
$rel_path = File::Spec->abs2rel( $path, $base ) ;
Note that both paths are assumed to have a notation that distinguishes a
directory path (with trailing ':') from a file path (without trailing ':').
If $base is not present or '', then the current working directory is used.
If $base is relative, then it is converted to absolute form using C.
This means that it is taken to be relative to the current working directory.
If $path and $base appear to be on two different volumes, we will not
attempt to resolve the two paths, and we will instead simply return
$path. Note that previous versions of this module ignored the volume
of $base, which resulted in garbage results part of the time.
If $base doesn't have a trailing colon, the last element of $base is
assumed to be a filename. This filename is ignored. Otherwise all path
components are assumed to be directories.
If $path is relative, it is converted to absolute form using C.
This means that it is taken to be relative to the current working directory.
Based on code written by Shigio Yamaguchi.
=cut
# maybe this should be done in canonpath() ?
sub _resolve_updirs {
my $path = shift @_;
my $proceed;
# resolve any updirs, e.g. "HD:tmp::file" -> "HD:file"
do {
$proceed = ($path =~ s/^(.*):[^:]+::(.*?)\z/$1:$2/);
} while ($proceed);
return $path;
}
sub abs2rel {
my($self,$path,$base) = @_;
# Clean up $path
if ( ! $self->file_name_is_absolute( $path ) ) {
$path = $self->rel2abs( $path ) ;
}
# Figure out the effective $base and clean it up.
if ( !defined( $base ) || $base eq '' ) {
$base = Cwd::getcwd();
}
elsif ( ! $self->file_name_is_absolute( $base ) ) {
$base = $self->rel2abs( $base ) ;
$base = _resolve_updirs( $base ); # resolve updirs in $base
}
else {
$base = _resolve_updirs( $base );
}
# Split up paths - ignore $base's file
my ( $path_vol, $path_dirs, $path_file ) = $self->splitpath( $path );
my ( $base_vol, $base_dirs ) = $self->splitpath( $base );
return $path unless lc( $path_vol ) eq lc( $base_vol );
# Now, remove all leading components that are the same
my @pathchunks = $self->splitdir( $path_dirs );
my @basechunks = $self->splitdir( $base_dirs );
while ( @pathchunks &&
@basechunks &&
lc( $pathchunks[0] ) eq lc( $basechunks[0] ) ) {
shift @pathchunks ;
shift @basechunks ;
}
# @pathchunks now has the directories to descend in to.
# ensure relative path, even if @pathchunks is empty
$path_dirs = $self->catdir( ':', @pathchunks );
# @basechunks now contains the number of directories to climb out of.
$base_dirs = (':' x @basechunks) . ':' ;
return $self->catpath( '', $self->catdir( $base_dirs, $path_dirs ), $path_file ) ;
}
=item rel2abs
Converts a relative path to an absolute path:
$abs_path = File::Spec->rel2abs( $path ) ;
$abs_path = File::Spec->rel2abs( $path, $base ) ;
Note that both paths are assumed to have a notation that distinguishes a
directory path (with trailing ':') from a file path (without trailing ':').
If $base is not present or '', then $base is set to the current working
directory. If $base is relative, then it is converted to absolute form
using C. This means that it is taken to be relative to the
current working directory.
If $base doesn't have a trailing colon, the last element of $base is
assumed to be a filename. This filename is ignored. Otherwise all path
components are assumed to be directories.
If $path is already absolute, it is returned and $base is ignored.
Based on code written by Shigio Yamaguchi.
=cut
sub rel2abs {
my ($self,$path,$base) = @_;
if ( ! $self->file_name_is_absolute($path) ) {
# Figure out the effective $base and clean it up.
if ( !defined( $base ) || $base eq '' ) {
$base = Cwd::getcwd();
}
elsif ( ! $self->file_name_is_absolute($base) ) {
$base = $self->rel2abs($base) ;
}
# Split up paths
# ignore $path's volume
my ( $path_dirs, $path_file ) = ($self->splitpath($path))[1,2] ;
# ignore $base's file part
my ( $base_vol, $base_dirs ) = $self->splitpath($base) ;
# Glom them together
$path_dirs = ':' if ($path_dirs eq '');
$base_dirs =~ s/:$//; # remove trailing ':', if any
$base_dirs = $base_dirs . $path_dirs;
$path = $self->catpath( $base_vol, $base_dirs, $path_file );
}
return $path;
}
=back
=head1 AUTHORS
See the authors list in I. Mac OS support by Paul Schinder
and Thomas Wegner .
=head1 COPYRIGHT
Copyright (c) 2004 by the Perl 5 Porters. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 SEE ALSO
See L and L. This package overrides the
implementation of these methods, not the semantics.
=cut
1;
PK ! L n n Spec/OS2.pmnu [ package File::Spec::OS2;
use strict;
use Cwd ();
require File::Spec::Unix;
our $VERSION = '3.74';
$VERSION =~ tr/_//d;
our @ISA = qw(File::Spec::Unix);
sub devnull {
return "/dev/nul";
}
sub case_tolerant {
return 1;
}
sub file_name_is_absolute {
my ($self,$file) = @_;
return scalar($file =~ m{^([a-z]:)?[\\/]}is);
}
sub path {
my $path = $ENV{PATH};
$path =~ s:\\:/:g;
my @path = split(';',$path);
foreach (@path) { $_ = '.' if $_ eq '' }
return @path;
}
sub tmpdir {
my $cached = $_[0]->_cached_tmpdir(qw 'TMPDIR TEMP TMP');
return $cached if defined $cached;
my @d = @ENV{qw(TMPDIR TEMP TMP)}; # function call could autovivivy
$_[0]->_cache_tmpdir(
$_[0]->_tmpdir( @d, '/tmp', '/' ), qw 'TMPDIR TEMP TMP'
);
}
sub catdir {
my $self = shift;
my @args = @_;
foreach (@args) {
tr[\\][/];
# append a backslash to each argument unless it has one there
$_ .= "/" unless m{/$};
}
return $self->canonpath(join('', @args));
}
sub canonpath {
my ($self,$path) = @_;
return unless defined $path;
$path =~ s/^([a-z]:)/\l$1/s;
$path =~ s|\\|/|g;
$path =~ s|([^/])/+|$1/|g; # xx////xx -> xx/xx
$path =~ s|(/\.)+/|/|g; # xx/././xx -> xx/xx
$path =~ s|^(\./)+(?=[^/])||s; # ./xx -> xx
$path =~ s|/\Z(?!\n)||
unless $path =~ m#^([a-z]:)?/\Z(?!\n)#si;# xx/ -> xx
$path =~ s{^/\.\.$}{/}; # /.. -> /
1 while $path =~ s{^/\.\.}{}; # /../xx -> /xx
return $path;
}
sub splitpath {
my ($self,$path, $nofile) = @_;
my ($volume,$directory,$file) = ('','','');
if ( $nofile ) {
$path =~
m{^( (?:[a-zA-Z]:|(?:\\\\|//)[^\\/]+[\\/][^\\/]+)? )
(.*)
}xs;
$volume = $1;
$directory = $2;
}
else {
$path =~
m{^ ( (?: [a-zA-Z]: |
(?:\\\\|//)[^\\/]+[\\/][^\\/]+
)?
)
( (?:.*[\\\\/](?:\.\.?\Z(?!\n))?)? )
(.*)
}xs;
$volume = $1;
$directory = $2;
$file = $3;
}
return ($volume,$directory,$file);
}
sub splitdir {
my ($self,$directories) = @_ ;
split m|[\\/]|, $directories, -1;
}
sub catpath {
my ($self,$volume,$directory,$file) = @_;
# If it's UNC, make sure the glue separator is there, reusing
# whatever separator is first in the $volume
$volume .= $1
if ( $volume =~ m@^([\\/])[\\/][^\\/]+[\\/][^\\/]+\Z(?!\n)@s &&
$directory =~ m@^[^\\/]@s
) ;
$volume .= $directory ;
# If the volume is not just A:, make sure the glue separator is
# there, reusing whatever separator is first in the $volume if possible.
if ( $volume !~ m@^[a-zA-Z]:\Z(?!\n)@s &&
$volume =~ m@[^\\/]\Z(?!\n)@ &&
$file =~ m@[^\\/]@
) {
$volume =~ m@([\\/])@ ;
my $sep = $1 ? $1 : '/' ;
$volume .= $sep ;
}
$volume .= $file ;
return $volume ;
}
sub abs2rel {
my($self,$path,$base) = @_;
# Clean up $path
if ( ! $self->file_name_is_absolute( $path ) ) {
$path = $self->rel2abs( $path ) ;
} else {
$path = $self->canonpath( $path ) ;
}
# Figure out the effective $base and clean it up.
if ( !defined( $base ) || $base eq '' ) {
$base = Cwd::getcwd();
} elsif ( ! $self->file_name_is_absolute( $base ) ) {
$base = $self->rel2abs( $base ) ;
} else {
$base = $self->canonpath( $base ) ;
}
# Split up paths
my ( $path_volume, $path_directories, $path_file ) = $self->splitpath( $path, 1 ) ;
my ( $base_volume, $base_directories ) = $self->splitpath( $base, 1 ) ;
return $path unless $path_volume eq $base_volume;
# Now, remove all leading components that are the same
my @pathchunks = $self->splitdir( $path_directories );
my @basechunks = $self->splitdir( $base_directories );
while ( @pathchunks &&
@basechunks &&
lc( $pathchunks[0] ) eq lc( $basechunks[0] )
) {
shift @pathchunks ;
shift @basechunks ;
}
# No need to catdir, we know these are well formed.
$path_directories = CORE::join( '/', @pathchunks );
$base_directories = CORE::join( '/', @basechunks );
# $base_directories now contains the directories the resulting relative
# path must ascend out of before it can descend to $path_directory. So,
# replace all names with $parentDir
#FA Need to replace between backslashes...
$base_directories =~ s|[^\\/]+|..|g ;
# Glue the two together, using a separator if necessary, and preventing an
# empty result.
#FA Must check that new directories are not empty.
if ( $path_directories ne '' && $base_directories ne '' ) {
$path_directories = "$base_directories/$path_directories" ;
} else {
$path_directories = "$base_directories$path_directories" ;
}
return $self->canonpath(
$self->catpath( "", $path_directories, $path_file )
) ;
}
sub rel2abs {
my ($self,$path,$base ) = @_;
if ( ! $self->file_name_is_absolute( $path ) ) {
if ( !defined( $base ) || $base eq '' ) {
$base = Cwd::getcwd();
}
elsif ( ! $self->file_name_is_absolute( $base ) ) {
$base = $self->rel2abs( $base ) ;
}
else {
$base = $self->canonpath( $base ) ;
}
my ( $path_directories, $path_file ) =
($self->splitpath( $path, 1 ))[1,2] ;
my ( $base_volume, $base_directories ) =
$self->splitpath( $base, 1 ) ;
$path = $self->catpath(
$base_volume,
$self->catdir( $base_directories, $path_directories ),
$path_file
) ;
}
return $self->canonpath( $path ) ;
}
1;
__END__
=head1 NAME
File::Spec::OS2 - methods for OS/2 file specs
=head1 SYNOPSIS
require File::Spec::OS2; # Done internally by File::Spec if needed
=head1 DESCRIPTION
See L and L. This package overrides the
implementation of these methods, not the semantics.
Amongst the changes made for OS/2 are...
=over 4
=item tmpdir
Modifies the list of places temp directory information is looked for.
$ENV{TMPDIR}
$ENV{TEMP}
$ENV{TMP}
/tmp
/
=item splitpath
Volumes can be drive letters or UNC sharenames (\\server\share).
=back
=head1 COPYRIGHT
Copyright (c) 2004 by the Perl 5 Porters. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
PK ! Hz Spec/AmigaOS.pmnu [ package File::Spec::AmigaOS;
use strict;
require File::Spec::Unix;
our $VERSION = '3.74';
$VERSION =~ tr/_//d;
our @ISA = qw(File::Spec::Unix);
=head1 NAME
File::Spec::AmigaOS - File::Spec for AmigaOS
=head1 SYNOPSIS
require File::Spec::AmigaOS; # Done automatically by File::Spec
# if needed
=head1 DESCRIPTION
Methods for manipulating file specifications.
=head1 METHODS
=over 2
=item tmpdir
Returns $ENV{TMPDIR} or if that is unset, "/t".
=cut
my $tmpdir;
sub tmpdir {
return $tmpdir if defined $tmpdir;
$tmpdir = $_[0]->_tmpdir( $ENV{TMPDIR}, "/t" );
}
=item file_name_is_absolute
Returns true if there's a colon in the file name,
or if it begins with a slash.
=cut
sub file_name_is_absolute {
my ($self, $file) = @_;
# Not 100% robust as a "/" must not preceded a ":"
# but this cannot happen in a well formed path.
return $file =~ m{^/|:}s;
}
=back
All the other methods are from L.
=cut
1;
PK !
+ +
Spec/Win32.pmnu [ package File::Spec::Win32;
use strict;
use Cwd ();
require File::Spec::Unix;
our $VERSION = '3.74';
$VERSION =~ tr/_//d;
our @ISA = qw(File::Spec::Unix);
# Some regexes we use for path splitting
my $DRIVE_RX = '[a-zA-Z]:';
my $UNC_RX = '(?:\\\\\\\\|//)[^\\\\/]+[\\\\/][^\\\\/]+';
my $VOL_RX = "(?:$DRIVE_RX|$UNC_RX)";
=head1 NAME
File::Spec::Win32 - methods for Win32 file specs
=head1 SYNOPSIS
require File::Spec::Win32; # Done internally by File::Spec if needed
=head1 DESCRIPTION
See File::Spec::Unix for a documentation of the methods provided
there. This package overrides the implementation of these methods, not
the semantics.
=over 4
=item devnull
Returns a string representation of the null device.
=cut
sub devnull {
return "nul";
}
sub rootdir { '\\' }
=item tmpdir
Returns a string representation of the first existing directory
from the following list:
$ENV{TMPDIR}
$ENV{TEMP}
$ENV{TMP}
SYS:/temp
C:\system\temp
C:/temp
/tmp
/
The SYS:/temp is preferred in Novell NetWare and the C:\system\temp
for Symbian (the File::Spec::Win32 is used also for those platforms).
If running under taint mode, and if the environment
variables are tainted, they are not used.
=cut
sub tmpdir {
my $tmpdir = $_[0]->_cached_tmpdir(qw(TMPDIR TEMP TMP));
return $tmpdir if defined $tmpdir;
$tmpdir = $_[0]->_tmpdir( map( $ENV{$_}, qw(TMPDIR TEMP TMP) ),
'SYS:/temp',
'C:\system\temp',
'C:/temp',
'/tmp',
'/' );
$_[0]->_cache_tmpdir($tmpdir, qw(TMPDIR TEMP TMP));
}
=item case_tolerant
MSWin32 case-tolerance depends on GetVolumeInformation() $ouFsFlags == FS_CASE_SENSITIVE,
indicating the case significance when comparing file specifications.
Since XP FS_CASE_SENSITIVE is effectively disabled for the NT subsubsystem.
See http://cygwin.com/ml/cygwin/2007-07/msg00891.html
Default: 1
=cut
sub case_tolerant {
eval {
local @INC = @INC;
pop @INC if $INC[-1] eq '.';
require Win32API::File;
} or return 1;
my $drive = shift || "C:";
my $osFsType = "\0"x256;
my $osVolName = "\0"x256;
my $ouFsFlags = 0;
Win32API::File::GetVolumeInformation($drive, $osVolName, 256, [], [], $ouFsFlags, $osFsType, 256 );
if ($ouFsFlags & Win32API::File::FS_CASE_SENSITIVE()) { return 0; }
else { return 1; }
}
=item file_name_is_absolute
As of right now, this returns 2 if the path is absolute with a
volume, 1 if it's absolute with no volume, 0 otherwise.
=cut
sub file_name_is_absolute {
my ($self,$file) = @_;
if ($file =~ m{^($VOL_RX)}o) {
my $vol = $1;
return ($vol =~ m{^$UNC_RX}o ? 2
: $file =~ m{^$DRIVE_RX[\\/]}o ? 2
: 0);
}
return $file =~ m{^[\\/]} ? 1 : 0;
}
=item catfile
Concatenate one or more directory names and a filename to form a
complete path ending with a filename
=cut
sub catfile {
shift;
# Legacy / compatibility support
#
shift, return _canon_cat( "/", @_ )
if $_[0] eq "";
# Compatibility with File::Spec <= 3.26:
# catfile('A:', 'foo') should return 'A:\foo'.
return _canon_cat( ($_[0].'\\'), @_[1..$#_] )
if $_[0] =~ m{^$DRIVE_RX\z}o;
return _canon_cat( @_ );
}
sub catdir {
shift;
# Legacy / compatibility support
#
return ""
unless @_;
shift, return _canon_cat( "/", @_ )
if $_[0] eq "";
# Compatibility with File::Spec <= 3.26:
# catdir('A:', 'foo') should return 'A:\foo'.
return _canon_cat( ($_[0].'\\'), @_[1..$#_] )
if $_[0] =~ m{^$DRIVE_RX\z}o;
return _canon_cat( @_ );
}
sub path {
my @path = split(';', $ENV{PATH});
s/"//g for @path;
@path = grep length, @path;
unshift(@path, ".");
return @path;
}
=item canonpath
No physical check on the filesystem, but a logical cleanup of a
path. On UNIX eliminated successive slashes and successive "/.".
On Win32 makes
dir1\dir2\dir3\..\..\dir4 -> \dir\dir4 and even
dir1\dir2\dir3\...\dir4 -> \dir\dir4
=cut
sub canonpath {
# Legacy / compatibility support
#
return $_[1] if !defined($_[1]) or $_[1] eq '';
return _canon_cat( $_[1] );
}
=item splitpath
($volume,$directories,$file) = File::Spec->splitpath( $path );
($volume,$directories,$file) = File::Spec->splitpath( $path,
$no_file );
Splits a path into volume, directory, and filename portions. Assumes that
the last file is a path unless the path ends in '\\', '\\.', '\\..'
or $no_file is true. On Win32 this means that $no_file true makes this return
( $volume, $path, '' ).
Separators accepted are \ and /.
Volumes can be drive letters or UNC sharenames (\\server\share).
The results can be passed to L to get back a path equivalent to
(usually identical to) the original path.
=cut
sub splitpath {
my ($self,$path, $nofile) = @_;
my ($volume,$directory,$file) = ('','','');
if ( $nofile ) {
$path =~
m{^ ( $VOL_RX ? ) (.*) }sox;
$volume = $1;
$directory = $2;
}
else {
$path =~
m{^ ( $VOL_RX ? )
( (?:.*[\\/](?:\.\.?\Z(?!\n))?)? )
(.*)
}sox;
$volume = $1;
$directory = $2;
$file = $3;
}
return ($volume,$directory,$file);
}
=item splitdir
The opposite of L.
@dirs = File::Spec->splitdir( $directories );
$directories must be only the directory portion of the path on systems
that have the concept of a volume or that have path syntax that differentiates
files from directories.
Unlike just splitting the directories on the separator, leading empty and
trailing directory entries can be returned, because these are significant
on some OSs. So,
File::Spec->splitdir( "/a/b/c" );
Yields:
( '', 'a', 'b', '', 'c', '' )
=cut
sub splitdir {
my ($self,$directories) = @_ ;
#
# split() likes to forget about trailing null fields, so here we
# check to be sure that there will not be any before handling the
# simple case.
#
if ( $directories !~ m|[\\/]\Z(?!\n)| ) {
return split( m|[\\/]|, $directories );
}
else {
#
# since there was a trailing separator, add a file name to the end,
# then do the split, then replace it with ''.
#
my( @directories )= split( m|[\\/]|, "${directories}dummy" ) ;
$directories[ $#directories ]= '' ;
return @directories ;
}
}
=item catpath
Takes volume, directory and file portions and returns an entire path. Under
Unix, $volume is ignored, and this is just like catfile(). On other OSs,
the $volume become significant.
=cut
sub catpath {
my ($self,$volume,$directory,$file) = @_;
# If it's UNC, make sure the glue separator is there, reusing
# whatever separator is first in the $volume
my $v;
$volume .= $v
if ( (($v) = $volume =~ m@^([\\/])[\\/][^\\/]+[\\/][^\\/]+\Z(?!\n)@s) &&
$directory =~ m@^[^\\/]@s
) ;
$volume .= $directory ;
# If the volume is not just A:, make sure the glue separator is
# there, reusing whatever separator is first in the $volume if possible.
if ( $volume !~ m@^[a-zA-Z]:\Z(?!\n)@s &&
$volume =~ m@[^\\/]\Z(?!\n)@ &&
$file =~ m@[^\\/]@
) {
$volume =~ m@([\\/])@ ;
my $sep = $1 ? $1 : '\\' ;
$volume .= $sep ;
}
$volume .= $file ;
return $volume ;
}
sub _same {
lc($_[1]) eq lc($_[2]);
}
sub rel2abs {
my ($self,$path,$base ) = @_;
my $is_abs = $self->file_name_is_absolute($path);
# Check for volume (should probably document the '2' thing...)
return $self->canonpath( $path ) if $is_abs == 2;
if ($is_abs) {
# It's missing a volume, add one
my $vol = ($self->splitpath( Cwd::getcwd() ))[0];
return $self->canonpath( $vol . $path );
}
if ( !defined( $base ) || $base eq '' ) {
$base = Cwd::getdcwd( ($self->splitpath( $path ))[0] ) if defined &Cwd::getdcwd ;
$base = Cwd::getcwd() unless defined $base ;
}
elsif ( ! $self->file_name_is_absolute( $base ) ) {
$base = $self->rel2abs( $base ) ;
}
else {
$base = $self->canonpath( $base ) ;
}
my ( $path_directories, $path_file ) =
($self->splitpath( $path, 1 ))[1,2] ;
my ( $base_volume, $base_directories ) =
$self->splitpath( $base, 1 ) ;
$path = $self->catpath(
$base_volume,
$self->catdir( $base_directories, $path_directories ),
$path_file
) ;
return $self->canonpath( $path ) ;
}
=back
=head2 Note For File::Spec::Win32 Maintainers
Novell NetWare inherits its File::Spec behaviour from File::Spec::Win32.
=head1 COPYRIGHT
Copyright (c) 2004,2007 by the Perl 5 Porters. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 SEE ALSO
See L and L. This package overrides the
implementation of these methods, not the semantics.
=cut
sub _canon_cat # @path -> path
{
my ($first, @rest) = @_;
my $volume = $first =~ s{ \A ([A-Za-z]:) ([\\/]?) }{}x # drive letter
? ucfirst( $1 ).( $2 ? "\\" : "" )
: $first =~ s{ \A (?:\\\\|//) ([^\\/]+)
(?: [\\/] ([^\\/]+) )?
[\\/]? }{}xs # UNC volume
? "\\\\$1".( defined $2 ? "\\$2" : "" )."\\"
: $first =~ s{ \A [\\/] }{}x # root dir
? "\\"
: "";
my $path = join "\\", $first, @rest;
$path =~ tr#\\/#\\\\#s; # xx/yy --> xx\yy & xx\\yy --> xx\yy
# xx/././yy --> xx/yy
$path =~ s{(?:
(?:\A|\\) # at begin or after a slash
\.
(?:\\\.)* # and more
(?:\\|\z) # at end or followed by slash
)+ # performance boost -- I do not know why
}{\\}gx;
# XXX I do not know whether more dots are supported by the OS supporting
# this ... annotation (NetWare or symbian but not MSWin32).
# Then .... could easily become ../../.. etc:
# Replace \.\.\. by (\.\.\.+) and substitute with
# { $1 . ".." . "\\.." x (length($2)-2) }gex
# ... --> ../..
$path =~ s{ (\A|\\) # at begin or after a slash
\.\.\.
(?=\\|\z) # at end or followed by slash
}{$1..\\..}gx;
# xx\yy\..\zz --> xx\zz
while ( $path =~ s{(?:
(?:\A|\\) # at begin or after a slash
[^\\]+ # rip this 'yy' off
\\\.\.
(? xx NOTE: this is *not* root
$path =~ s#\\\z##; # xx\ --> xx
if ( $volume =~ m#\\\z# )
{ # \.. --> \
$path =~ s{ \A # at begin
\.\.
(?:\\\.\.)* # and more
(?:\\|\z) # at end or followed by slash
}{}x;
return $1 # \\HOST\SHARE\ --> \\HOST\SHARE
if $path eq ""
and $volume =~ m#\A(\\\\.*)\\\z#s;
}
return $path ne "" || $volume ? $volume.$path : ".";
}
1;
PK ! 4+8, , Spec/Functions.pmnu [ package File::Spec::Functions;
use File::Spec;
use strict;
our $VERSION = '3.74';
$VERSION =~ tr/_//d;
require Exporter;
our @ISA = qw(Exporter);
our @EXPORT = qw(
canonpath
catdir
catfile
curdir
rootdir
updir
no_upwards
file_name_is_absolute
path
);
our @EXPORT_OK = qw(
devnull
tmpdir
splitpath
splitdir
catpath
abs2rel
rel2abs
case_tolerant
);
our %EXPORT_TAGS = ( ALL => [ @EXPORT_OK, @EXPORT ] );
require File::Spec::Unix;
my %udeps = (
canonpath => [],
catdir => [qw(canonpath)],
catfile => [qw(canonpath catdir)],
case_tolerant => [],
curdir => [],
devnull => [],
rootdir => [],
updir => [],
);
foreach my $meth (@EXPORT, @EXPORT_OK) {
my $sub = File::Spec->can($meth);
no strict 'refs';
if (exists($udeps{$meth}) && $sub == File::Spec::Unix->can($meth) &&
!(grep {
File::Spec->can($_) != File::Spec::Unix->can($_)
} @{$udeps{$meth}}) &&
defined(&{"File::Spec::Unix::_fn_$meth"})) {
*{$meth} = \&{"File::Spec::Unix::_fn_$meth"};
} else {
*{$meth} = sub {&$sub('File::Spec', @_)};
}
}
1;
__END__
=head1 NAME
File::Spec::Functions - portably perform operations on file names
=head1 SYNOPSIS
use File::Spec::Functions;
$x = catfile('a','b');
=head1 DESCRIPTION
This module exports convenience functions for all of the class methods
provided by File::Spec.
For a reference of available functions, please consult L,
which contains the entire set, and which is inherited by the modules for
other platforms. For further information, please see L,
L, L, or L.
=head2 Exports
The following functions are exported by default.
canonpath
catdir
catfile
curdir
rootdir
updir
no_upwards
file_name_is_absolute
path
The following functions are exported only by request.
devnull
tmpdir
splitpath
splitdir
catpath
abs2rel
rel2abs
case_tolerant
All the functions may be imported using the C<:ALL> tag.
=head1 COPYRIGHT
Copyright (c) 2004 by the Perl 5 Porters. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 SEE ALSO
File::Spec, File::Spec::Unix, File::Spec::Mac, File::Spec::OS2,
File::Spec::Win32, File::Spec::VMS, ExtUtils::MakeMaker
=cut
PK ! LhlK) K) Spec.pmnu [ package File::Spec;
use strict;
our $VERSION = '3.74';
$VERSION =~ tr/_//d;
my %module = (
MSWin32 => 'Win32',
os2 => 'OS2',
VMS => 'VMS',
NetWare => 'Win32', # Yes, File::Spec::Win32 works on NetWare.
symbian => 'Win32', # Yes, File::Spec::Win32 works on symbian.
dos => 'OS2', # Yes, File::Spec::OS2 works on DJGPP.
cygwin => 'Cygwin',
amigaos => 'AmigaOS');
my $module = $module{$^O} || 'Unix';
require "File/Spec/$module.pm";
our @ISA = ("File::Spec::$module");
1;
__END__
=head1 NAME
File::Spec - portably perform operations on file names
=head1 SYNOPSIS
use File::Spec;
$x=File::Spec->catfile('a', 'b', 'c');
which returns 'a/b/c' under Unix. Or:
use File::Spec::Functions;
$x = catfile('a', 'b', 'c');
=head1 DESCRIPTION
This module is designed to support operations commonly performed on file
specifications (usually called "file names", but not to be confused with the
contents of a file, or Perl's file handles), such as concatenating several
directory and file names into a single path, or determining whether a path
is rooted. It is based on code directly taken from MakeMaker 5.17, code
written by Andreas KEnig, Andy Dougherty, Charles Bailey, Ilya
Zakharevich, Paul Schinder, and others.
Since these functions are different for most operating systems, each set of
OS specific routines is available in a separate module, including:
File::Spec::Unix
File::Spec::Mac
File::Spec::OS2
File::Spec::Win32
File::Spec::VMS
The module appropriate for the current OS is automatically loaded by
File::Spec. Since some modules (like VMS) make use of facilities available
only under that OS, it may not be possible to load all modules under all
operating systems.
Since File::Spec is object oriented, subroutines should not be called directly,
as in:
File::Spec::catfile('a','b');
but rather as class methods:
File::Spec->catfile('a','b');
For simple uses, L provides convenient functional
forms of these methods.
=head1 METHODS
=over 2
=item canonpath
X
No physical check on the filesystem, but a logical cleanup of a
path.
$cpath = File::Spec->canonpath( $path ) ;
Note that this does *not* collapse F sections into F. This
is by design. If F on your system is a symlink to F,
then F is actually F, not F as a naive
F<../>-removal would give you. If you want to do this kind of
processing, you probably want C's C function to
actually traverse the filesystem cleaning up paths like this.
=item catdir
X
Concatenate two or more directory names to form a complete path ending
with a directory. But remove the trailing slash from the resulting
string, because it doesn't look good, isn't necessary and confuses
OS/2. Of course, if this is the root directory, don't cut off the
trailing slash :-)
$path = File::Spec->catdir( @directories );
=item catfile
X
Concatenate one or more directory names and a filename to form a
complete path ending with a filename
$path = File::Spec->catfile( @directories, $filename );
=item curdir
X
Returns a string representation of the current directory.
$curdir = File::Spec->curdir();
=item devnull
X
Returns a string representation of the null device.
$devnull = File::Spec->devnull();
=item rootdir
X
Returns a string representation of the root directory.
$rootdir = File::Spec->rootdir();
=item tmpdir
X
Returns a string representation of the first writable directory from a
list of possible temporary directories. Returns the current directory
if no writable temporary directories are found. The list of directories
checked depends on the platform; e.g. File::Spec::Unix checks C<$ENV{TMPDIR}>
(unless taint is on) and F.
$tmpdir = File::Spec->tmpdir();
=item updir
X
Returns a string representation of the parent directory.
$updir = File::Spec->updir();
=item no_upwards
Given a list of files in a directory (such as from C),
strip out C<'.'> and C<'..'>.
B This does NOT filter paths containing C<'..'>, like
C<'../../../../etc/passwd'>, only literal matches to C<'.'> and C<'..'>.
@paths = File::Spec->no_upwards( readdir $dirhandle );
=item case_tolerant
Returns a true or false value indicating, respectively, that alphabetic
case is not or is significant when comparing file specifications.
Cygwin and Win32 accept an optional drive argument.
$is_case_tolerant = File::Spec->case_tolerant();
=item file_name_is_absolute
Takes as its argument a path, and returns true if it is an absolute path.
$is_absolute = File::Spec->file_name_is_absolute( $path );
This does not consult the local filesystem on Unix, Win32, OS/2, or
Mac OS (Classic). It does consult the working environment for VMS
(see L).
=item path
X
Takes no argument. Returns the environment variable C (or the local
platform's equivalent) as a list.
@PATH = File::Spec->path();
=item join
X
join is the same as catfile.
=item splitpath
X X
Splits a path in to volume, directory, and filename portions. On systems
with no concept of volume, returns '' for volume.
($volume,$directories,$file) =
File::Spec->splitpath( $path );
($volume,$directories,$file) =
File::Spec->splitpath( $path, $no_file );
For systems with no syntax differentiating filenames from directories,
assumes that the last file is a path unless C<$no_file> is true or a
trailing separator or F or F is present. On Unix, this means that C<$no_file>
true makes this return ( '', $path, '' ).
The directory portion may or may not be returned with a trailing '/'.
The results can be passed to L to get back a path equivalent to
(usually identical to) the original path.
=item splitdir
X X
The opposite of L.
@dirs = File::Spec->splitdir( $directories );
C<$directories> must be only the directory portion of the path on systems
that have the concept of a volume or that have path syntax that differentiates
files from directories.
Unlike just splitting the directories on the separator, empty
directory names (C<''>) can be returned, because these are significant
on some OSes.
=item catpath()
Takes volume, directory and file portions and returns an entire path. Under
Unix, C<$volume> is ignored, and directory and file are concatenated. A '/' is
inserted if need be. On other OSes, C<$volume> is significant.
$full_path = File::Spec->catpath( $volume, $directory, $file );
=item abs2rel
X X X
Takes a destination path and an optional base path returns a relative path
from the base path to the destination path:
$rel_path = File::Spec->abs2rel( $path ) ;
$rel_path = File::Spec->abs2rel( $path, $base ) ;
If C<$base> is not present or '', then L is used. If C<$base> is
relative, then it is converted to absolute form using
L. This means that it is taken to be relative to
L.
On systems with the concept of volume, if C<$path> and C<$base> appear to be
on two different volumes, we will not attempt to resolve the two
paths, and we will instead simply return C<$path>. Note that previous
versions of this module ignored the volume of C<$base>, which resulted in
garbage results part of the time.
On systems that have a grammar that indicates filenames, this ignores the
C<$base> filename as well. Otherwise all path components are assumed to be
directories.
If C<$path> is relative, it is converted to absolute form using L.
This means that it is taken to be relative to L.
No checks against the filesystem are made. On VMS, there is
interaction with the working environment, as logicals and
macros are expanded.
Based on code written by Shigio Yamaguchi.
=item rel2abs()
X X X
Converts a relative path to an absolute path.
$abs_path = File::Spec->rel2abs( $path ) ;
$abs_path = File::Spec->rel2abs( $path, $base ) ;
If C<$base> is not present or '', then L is used. If C<$base> is relative,
then it is converted to absolute form using L. This means that it
is taken to be relative to L.
On systems with the concept of volume, if C<$path> and C<$base> appear to be
on two different volumes, we will not attempt to resolve the two
paths, and we will instead simply return C<$path>. Note that previous
versions of this module ignored the volume of C<$base>, which resulted in
garbage results part of the time.
On systems that have a grammar that indicates filenames, this ignores the
C<$base> filename as well. Otherwise all path components are assumed to be
directories.
If C<$path> is absolute, it is cleaned up and returned using L.
No checks against the filesystem are made. On VMS, there is
interaction with the working environment, as logicals and
macros are expanded.
Based on code written by Shigio Yamaguchi.
=back
For further information, please see L,
L, L, L, or
L.
=head1 SEE ALSO
L, L, L,
L, L, L,
L
=head1 AUTHOR
Currently maintained by Ken Williams C<< >>.
The vast majority of the code was written by
Kenneth Albanowski C<< >>,
Andy Dougherty C<< >>,
Andreas KEnig C<< >>,
Tim Bunce C<< >>.
VMS support by Charles Bailey C<< >>.
OS/2 support by Ilya Zakharevich C<< >>.
Mac support by Paul Schinder C<< >>, and
Thomas Wegner C<< >>.
abs2rel() and rel2abs() written by Shigio Yamaguchi C<< >>,
modified by Barrie Slaymaker C<< >>.
splitpath(), splitdir(), catpath() and catdir() by Barrie Slaymaker.
=head1 COPYRIGHT
Copyright (c) 2004-2013 by the Perl 5 Porters. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
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@fileI"lib/rack/file.rb;T:0@omit_headings_from_table_of_contents_below000[ I"();T@FI" File;TcRDoc::NormalClass00PK ! M^' ^' stat.pmnu [ package File::stat;
use 5.006;
use strict;
use warnings;
use warnings::register;
use Carp;
BEGIN { *warnif = \&warnings::warnif }
our(@EXPORT, @EXPORT_OK, %EXPORT_TAGS);
our $VERSION = '1.07';
my @fields;
BEGIN {
use Exporter ();
@EXPORT = qw(stat lstat);
@fields = qw( $st_dev $st_ino $st_mode
$st_nlink $st_uid $st_gid
$st_rdev $st_size
$st_atime $st_mtime $st_ctime
$st_blksize $st_blocks
);
@EXPORT_OK = ( @fields, "stat_cando" );
%EXPORT_TAGS = ( FIELDS => [ @fields, @EXPORT ] );
}
use vars @fields;
use Fcntl qw(S_IRUSR S_IWUSR S_IXUSR);
BEGIN {
# These constants will croak on use if the platform doesn't define
# them. It's important to avoid inflicting that on the user.
no strict 'refs';
for (qw(suid sgid svtx)) {
my $val = eval { &{"Fcntl::S_I\U$_"} };
*{"_$_"} = defined $val ? sub { $_[0] & $val ? 1 : "" } : sub { "" };
}
for (qw(SOCK CHR BLK REG DIR LNK)) {
*{"S_IS$_"} = defined eval { &{"Fcntl::S_IF$_"} }
? \&{"Fcntl::S_IS$_"} : sub { "" };
}
# FIFO flag and macro don't quite follow the S_IF/S_IS pattern above
# RT #111638
*{"S_ISFIFO"} = defined &Fcntl::S_IFIFO
? \&Fcntl::S_ISFIFO : sub { "" };
}
# from doio.c
sub _ingroup {
my ($gid, $eff) = @_;
# I am assuming that since VMS doesn't have getgroups(2), $) will
# always only contain a single entry.
$^O eq "VMS" and return $_[0] == $);
my ($egid, @supp) = split " ", $);
my ($rgid) = split " ", $(;
$gid == ($eff ? $egid : $rgid) and return 1;
grep $gid == $_, @supp and return 1;
return "";
}
# VMS uses the Unix version of the routine, even though this is very
# suboptimal. VMS has a permissions structure that doesn't really fit
# into struct stat, and unlike on Win32 the normal -X operators respect
# that, but unfortunately by the time we get here we've already lost the
# information we need. It looks to me as though if we were to preserve
# the st_devnam entry of vmsish.h's fake struct stat (which actually
# holds the filename) it might be possible to do this right, but both
# getting that value out of the struct (perl's stat doesn't return it)
# and interpreting it later would require this module to have an XS
# component (at which point we might as well just call Perl_cando and
# have done with it).
if (grep $^O eq $_, qw/os2 MSWin32 dos/) {
# from doio.c
*cando = sub { ($_[0][2] & $_[1]) ? 1 : "" };
}
else {
# from doio.c
*cando = sub {
my ($s, $mode, $eff) = @_;
my $uid = $eff ? $> : $<;
my ($stmode, $stuid, $stgid) = @$s[2,4,5];
# This code basically assumes that the rwx bits of the mode are
# the 0777 bits, but so does Perl_cando.
if ($uid == 0 && $^O ne "VMS") {
# If we're root on unix
# not testing for executable status => all file tests are true
return 1 if !($mode & 0111);
# testing for executable status =>
# for a file, any x bit will do
# for a directory, always true
return 1 if $stmode & 0111 || S_ISDIR($stmode);
return "";
}
if ($stuid == $uid) {
$stmode & $mode and return 1;
}
elsif (_ingroup($stgid, $eff)) {
$stmode & ($mode >> 3) and return 1;
}
else {
$stmode & ($mode >> 6) and return 1;
}
return "";
};
}
# alias for those who don't like objects
*stat_cando = \&cando;
my %op = (
r => sub { cando($_[0], S_IRUSR, 1) },
w => sub { cando($_[0], S_IWUSR, 1) },
x => sub { cando($_[0], S_IXUSR, 1) },
o => sub { $_[0][4] == $> },
R => sub { cando($_[0], S_IRUSR, 0) },
W => sub { cando($_[0], S_IWUSR, 0) },
X => sub { cando($_[0], S_IXUSR, 0) },
O => sub { $_[0][4] == $< },
e => sub { 1 },
z => sub { $_[0][7] == 0 },
s => sub { $_[0][7] },
f => sub { S_ISREG ($_[0][2]) },
d => sub { S_ISDIR ($_[0][2]) },
l => sub { S_ISLNK ($_[0][2]) },
p => sub { S_ISFIFO($_[0][2]) },
S => sub { S_ISSOCK($_[0][2]) },
b => sub { S_ISBLK ($_[0][2]) },
c => sub { S_ISCHR ($_[0][2]) },
u => sub { _suid($_[0][2]) },
g => sub { _sgid($_[0][2]) },
k => sub { _svtx($_[0][2]) },
M => sub { ($^T - $_[0][9] ) / 86400 },
C => sub { ($^T - $_[0][10]) / 86400 },
A => sub { ($^T - $_[0][8] ) / 86400 },
);
use constant HINT_FILETEST_ACCESS => 0x00400000;
# we need fallback=>1 or stringifying breaks
use overload
fallback => 1,
-X => sub {
my ($s, $op) = @_;
if (index("rwxRWX", $op) >= 0) {
(caller 0)[8] & HINT_FILETEST_ACCESS
and warnif("File::stat ignores use filetest 'access'");
$^O eq "VMS" and warnif("File::stat ignores VMS ACLs");
# It would be nice to have a warning about using -l on a
# non-lstat, but that would require an extra member in the
# object.
}
if ($op{$op}) {
return $op{$op}->($_[0]);
}
else {
croak "-$op is not implemented on a File::stat object";
}
};
# Class::Struct forbids use of @ISA
sub import { goto &Exporter::import }
use Class::Struct qw(struct);
struct 'File::stat' => [
map { $_ => '$' } qw{
dev ino mode nlink uid gid rdev size
atime mtime ctime blksize blocks
}
];
sub populate (@) {
return unless @_;
my $stob = new();
@$stob = (
$st_dev, $st_ino, $st_mode, $st_nlink, $st_uid, $st_gid, $st_rdev,
$st_size, $st_atime, $st_mtime, $st_ctime, $st_blksize, $st_blocks )
= @_;
return $stob;
}
sub lstat ($) { populate(CORE::lstat(shift)) }
sub stat ($) {
my $arg = shift;
my $st = populate(CORE::stat $arg);
return $st if defined $st;
my $fh;
{
local $!;
no strict 'refs';
require Symbol;
$fh = \*{ Symbol::qualify( $arg, caller() )};
return unless defined fileno $fh;
}
return populate(CORE::stat $fh);
}
1;
__END__
=head1 NAME
File::stat - by-name interface to Perl's built-in stat() functions
=head1 SYNOPSIS
use File::stat;
$st = stat($file) or die "No $file: $!";
if ( ($st->mode & 0111) && $st->nlink > 1) ) {
print "$file is executable with lotsa links\n";
}
if ( -x $st ) {
print "$file is executable\n";
}
use Fcntl "S_IRUSR";
if ( $st->cando(S_IRUSR, 1) ) {
print "My effective uid can read $file\n";
}
use File::stat qw(:FIELDS);
stat($file) or die "No $file: $!";
if ( ($st_mode & 0111) && ($st_nlink > 1) ) {
print "$file is executable with lotsa links\n";
}
=head1 DESCRIPTION
This module's default exports override the core stat()
and lstat() functions, replacing them with versions that return
"File::stat" objects. This object has methods that
return the similarly named structure field name from the
stat(2) function; namely,
dev,
ino,
mode,
nlink,
uid,
gid,
rdev,
size,
atime,
mtime,
ctime,
blksize,
and
blocks.
As of version 1.02 (provided with perl 5.12) the object provides C<"-X">
overloading, so you can call filetest operators (C<-f>, C<-x>, and so
on) on it. It also provides a C<< ->cando >> method, called like
$st->cando( ACCESS, EFFECTIVE )
where I is one of C, C or C from the
L module, and I indicates whether to use
effective (true) or real (false) ids. The method interprets the C,
C and C fields, and returns whether or not the current process
would be allowed the specified access.
If you don't want to use the objects, you may import the C<< ->cando >>
method into your namespace as a regular function called C.
This takes an arrayref containing the return values of C or
C as its first argument, and interprets it for you.
You may also import all the structure fields directly into your namespace
as regular variables using the :FIELDS import tag. (Note that this still
overrides your stat() and lstat() functions.) Access these fields as
variables named with a preceding C in front their method names.
Thus, C<$stat_obj-Edev()> corresponds to $st_dev if you import
the fields.
To access this functionality without the core overrides,
pass the C