summaryrefslogtreecommitdiff
path: root/Master/tlpkg/tlperl0/bin/ptar
diff options
context:
space:
mode:
Diffstat (limited to 'Master/tlpkg/tlperl0/bin/ptar')
-rwxr-xr-xMaster/tlpkg/tlperl0/bin/ptar114
1 files changed, 114 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl0/bin/ptar b/Master/tlpkg/tlperl0/bin/ptar
new file mode 100755
index 00000000000..6a3c1bcd2ec
--- /dev/null
+++ b/Master/tlpkg/tlperl0/bin/ptar
@@ -0,0 +1,114 @@
+#!/usr/bin/perl
+use strict;
+
+use File::Find;
+use Getopt::Std;
+use Archive::Tar;
+use Data::Dumper;
+
+my $opts = {};
+getopts('Ddcvzthxf: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 $verbose }, @ARGV );
+
+ if ($file eq '-') {
+ use IO::Handle;
+ $file = IO::Handle->new();
+ $file->fdopen(fileno(STDOUT),"w");
+ }
+
+ Archive::Tar->create_archive( $file, $compress, @files );
+
+} else {
+ if ($file eq '-') {
+ use IO::Handle;
+ $file = IO::Handle->new();
+ $file->fdopen(fileno(STDIN),"r");
+ }
+
+ ### print the files we're finding?
+ my $print = $verbose || $opts->{'t'} || 0;
+
+ my $iter = Archive::Tar->iter( $file );
+
+ while( my $f = $iter->() ) {
+ print $f->full_path . $/ if $print;
+
+ ### data dumper output
+ print Dumper( $f ) if $opts->{'D'};
+
+ ### extract it
+ $f->extract if $opts->{'x'};
+ }
+}
+
+### pod & usage in one
+sub usage {
+ my $usage .= << '=cut';
+=pod
+
+=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
+
+ c Create ARCHIVE_FILE or STDOUT (-) from FILE
+ x Extract from ARCHIVE_FILE or STDIN (-)
+ t List the contents of ARCHIVE_FILE or STDIN (-)
+ 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
+
+ ### strip the pod directives
+ $usage =~ s/=pod\n//g;
+ $usage =~ s/=head1 //g;
+
+ ### add some newlines
+ $usage .= $/.$/;
+
+ return $usage;
+}
+