summaryrefslogtreecommitdiff
path: root/Master/tlpkg/tlperl/lib/File/Spec/Functions.pm
blob: cb7532e57f41bb3e554b24197c06b4463178c39a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
package File::Spec::Functions;

use File::Spec;
use strict;

use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $VERSION);

$VERSION = '3.67';
$VERSION =~ tr/_//d;

require Exporter;

@ISA = qw(Exporter);

@EXPORT = qw(
	canonpath
	catdir
	catfile
	curdir
	rootdir
	updir
	no_upwards
	file_name_is_absolute
	path
);

@EXPORT_OK = qw(
	devnull
	tmpdir
	splitpath
	splitdir
	catpath
	abs2rel
	rel2abs
	case_tolerant
);

%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<File::Spec::Unix>,
which contains the entire set, and which is inherited by the modules for
other platforms. For further information, please see L<File::Spec::Mac>,
L<File::Spec::OS2>, L<File::Spec::Win32>, or L<File::Spec::VMS>.

=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