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#!/usr/bin/perl
use strict;
use packdrake;
#- general information.
my $default_size = 400000;
my $default_ratio = 6;
sub usage () {
eval {
require Pod::Usage;
Pod::Usage->import();
pod2usage({ -verbose => 1 });
}
exit 0;
}
my ($file, $mode, $dir, $size, $method, $compress, $uncompress, $ratio, $quiet);
my @nextargv = (\$file);
my @list;
#- some quite useful error message.
my $error_mode = "packdrake: choose only --build, --extract, --list or --cat\n";
foreach (@ARGV) {
/^--help$/ and usage();
/^--version$/ and do { print "$0 version $packdrake::VERSION\n"; exit 0 };
/^--build$/ and do { $mode and die $error_mode; $mode = "build"; @nextargv = (\$file); next };
/^--extract$/ and do { $mode and die $error_mode; $mode = "extract"; @nextargv = (\$file, \$dir); next };
/^--list$/ and do { $mode and die $error_mode; $mode = "list"; @nextargv = (\$file); next };
/^--cat$/ and do { $mode and die $error_mode; $mode = "cat"; @nextargv = (\$file); next };
/^--dir$/ and do { push @nextargv, \$dir; next };
/^--size$/ and do { push @nextargv, \$size; next };
/^--method$/ and do { push @nextargv, \$method; next };
/^--compress$/ and do { push @nextargv, \$compress; next };
/^--uncompress$/ and do { push @nextargv, \$uncompress; next };
/^--quiet$/ and $quiet = 1, next;
/^-(.*)$/ and do { foreach (split //, $1) {
/[1-9]/ and do { $ratio = $_; next };
/b/ and do { $mode and die $error_mode; $mode = "build"; @nextargv = (\$file); next };
/x/ and do { $mode and die $error_mode; $mode = "extract"; @nextargv = (\$file, \$dir); next };
/l/ and do { $mode and die $error_mode; $mode = "list"; @nextargv = (\$file); next };
/c/ and do { $mode and die $error_mode; $mode = "cat"; @nextargv = (\$file); next };
/d/ and do { push @nextargv, \$dir; next };
/s/ and do { push @nextargv, \$size; next };
/m/ and do { push @nextargv, \$method; next };
die qq(packdrake: unknown option "-$1", check usage with --help\n) } next };
$mode =~ /extract|list|cat/
or @nextargv
or die qq(packdrake: unknown option "$_", check usage with --help\n);
my $ref = shift @nextargv;
$ref ? ($$ref = $_) : push @list, $_;
$mode ||= "list";
}
#- examine and lauch.
$file or die "packdrake: no archive filename given, check usage with --help\n";
$size ||= $default_size;
$ratio ||= $default_ratio;
unless ($method) {
$file =~ /\.cz$/ and $method = "gzip";
$file =~ /\.cz2$/ and $method = "bzip2";
}
$compress ||= "$method -$ratio";
$uncompress ||= "$method -d";
$mode =~ /extract/ && !$dir && !@list and ($mode, @list) = ('list', $file);
for ($mode) {
/build/ and do { packdrake::build_archive(\*STDIN, $dir, $file, $size, $compress, $uncompress); last };
/extract/ and do {
my $packer = new packdrake($file, quiet => $quiet);
$packer->extract_archive($dir, @list);
last;
};
/list/ and do { packdrake::list_archive($file, @list); last };
/cat/ and do { packdrake::cat_archive($file, @list); last };
die "packdrake: internal error, unable to select right mode?\n";
}
__END__
=head1 NAME
packdrake - manipulates archives
=head1 SYNOPSIS
packdrake [options] [--build|-b] file
packdrake [options] [--extract|-x] file
packdrake [options] [--list|-l] file
packdrake [options] [--cat|-c] file
=head1 OPTIONS
=over 2
=item --build file
Build mode; build archive file with filenames given on standard input.
Sub-options are:
=over 4
=item -1 .. -9
Select appropriate compression ratio.
=item --dir srcdir
set source directory where to search files, C<.> by default.
=item --size
Set maximum chunk size, 400000 by default.
=item --method
Select standard compression command method.
Default is deduced from the archive filename (gzip or bzip2).
=item --compress cmd
Select compression command (e.g. C<gzip -9>).
=back
=item --extract file dir file1...fileN
Extracts archive file to specified directory.
Specific files to extract may be given on the command line.
=over 4
=item --uncompress cmd
Select uncompression command.
=back
=item --list file
Lists contents of archive.
=item --cat file
Dumps archive to standard output.
=item General options
=over 4
=item --quiet
Silent mode.
=back
=back
=head1 DESCRIPTION
=head1 SEE ALSO
=head1 COPYRIGHT
Copyright (C) 2000-2005 Mandrakesoft.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
=cut
|
