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
|
#!/usr/bin/perl
use strict;
use Getopt::Std;
use Archive::Tar;
use File::Find;
my $opts = {};
getopts('dcvzthxf:I', $opts) or die usage();
### show the help message ###
die usage() if $opts->{h};
### enable debugging (undocumented feature)
local $Archive::Tar::DEBUG = 1 if $opts->{d};
### enable insecure extracting.
local $Archive::Tar::INSECURE_EXTRACT_MODE = 1 if $opts->{I};
### sanity checks ###
unless ( 1 == grep { defined $opts->{$_} } qw[x t c] ) {
die "You need exactly one of 'x', 't' or 'c' options: " . usage();
}
my $compress = $opts->{z} ? 1 : 0;
my $verbose = $opts->{v} ? 1 : 0;
my $file = $opts->{f} ? $opts->{f} : 'default.tar';
my $tar = Archive::Tar->new();
if( $opts->{c} ) {
my @files;
find( sub { push @files, $File::Find::name;
print $File::Find::name.$/ if $verbose }, @ARGV );
Archive::Tar->create_archive( $file, $compress, @files );
exit;
}
my $tar = Archive::Tar->new($file, $compress);
if( $opts->{t} ) {
print map { $_->full_path . $/ } $tar->get_files;
} elsif( $opts->{x} ) {
print map { $_->full_path . $/ } $tar->get_files
if $verbose;
Archive::Tar->extract_archive($file, $compress);
}
sub usage {
qq[
Usage: ptar -c [-v] [-z] [-f ARCHIVE_FILE] FILE FILE ...
ptar -x [-v] [-z] [-f ARCHIVE_FILE]
ptar -t [-z] [-f ARCHIVE_FILE]
ptar -h
ptar is a small, tar look-alike program that uses the perl module
Archive::Tar to extract, create and list tar archives.
Options:
x Extract from ARCHIVE_FILE
c Create ARCHIVE_FILE from FILE
t List the contents of ARCHIVE_FILE
f Name of the ARCHIVE_FILE to use. Default is './default.tar'
z Read/Write zlib compressed ARCHIVE_FILE (not always available)
v Print filenames as they are added or extraced from ARCHIVE_FILE
h Prints this help message
I Enable 'Insecure Extract Mode', which allows archives to extract
files outside the current working directory. (Not advised).
See Also:
tar(1)
Archive::Tar
\n]
}
=head1 NAME
ptar - a tar-like program written in perl
=head1 DESCRIPTION
ptar is a small, tar look-alike program that uses the perl module
Archive::Tar to extract, create and list tar archives.
=head1 SYNOPSIS
ptar -c [-v] [-z] [-f ARCHIVE_FILE] FILE FILE ...
ptar -x [-v] [-z] [-f ARCHIVE_FILE]
ptar -t [-z] [-f ARCHIVE_FILE]
ptar -h
=head1 OPTIONS
x Extract from ARCHIVE_FILE
c Create ARCHIVE_FILE from FILE
t List the contents of ARCHIVE_FILE
f Name of the ARCHIVE_FILE to use. Default is './default.tar'
z Read/Write zlib compressed ARCHIVE_FILE (not always available)
v Print filenames as they are added or extraced from ARCHIVE_FILE
h Prints this help message
=head1 SEE ALSO
tar(1), L<Archive::Tar>.
=cut
|