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#! /usr/bin/perl
################################################################
###
###				impack
###
### Author:  Internet Message Group <img@mew.org>
### Created: Apr 23, 1997
### Revised: Apr 23, 2007
###

BEGIN {
    use lib '/usr/share/perl5';
};

$Prog = 'impack';
my $VERSION_DATE = "20110525";
my $VERSION_NUMBER = "151";
my $VERSION = "${Prog} version ${VERSION_DATE}(IM${VERSION_NUMBER})";
my $VERSION_INFORMATION = "${Prog} (IM ${VERSION_NUMBER}) ${VERSION_DATE}
Copyright (C) 1999 IM developing team
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
";

##
## Require packages
##

use IM::Config;
use IM::Folder;
use IM::File;
use IM::Util;
use integer;
use strict;
use vars qw($Prog $EXPLANATION @OptConfig
	    $opt_src $opt_noharm $opt_verbose
	    $opt_debug $opt_help $opt_version);

##
## Environments
##

$EXPLANATION = "$VERSION
pack mail/news messages in a folder

Usage: $Prog [OPTIONS] [FOLDER]
";

@OptConfig =(
    'src;F;;'     => "Set source folder",
    'noharm;b;;'  => "No packing. Show what will happen",
    'verbose;b;;' => 'With verbose messages',
    'debug;d;;'   => "With debug message",
    'help;b;;'    => "Display this help and exit",
    'version,V;b;;' => "Output version information and exit",
    );

##
## Profile and option processing
##

init_opt(\@OptConfig);
read_cfg();
read_opt(\@ARGV); # help?
print("${VERSION_INFORMATION}") && exit $EXIT_SUCCESS if $opt_version;
help($EXPLANATION) && exit $EXIT_SUCCESS if $opt_help;
debug_option($opt_debug) if $opt_debug;

##
## Main
##

impack($opt_src);
exit $EXIT_SUCCESS;

##################################################
##
## Work horse
##
sub impack($) {
    my $folder = shift;
    my $msg = 1;
    my $dst;

    chk_folder_existance($folder);          # not return in case false.

    my @paths = get_impath($folder, 'all');

    print "packing messages in $opt_src..." unless $opt_noharm;
    flush('STDOUT') unless $opt_noharm;

    foreach (@paths) {
	$dst = $_;
	if (-f $dst) {
	    do {
		$dst =~ s|[^/]+$|$msg++|e;
	    } while ($_ ne $dst && -e $dst);
	    if ($_ ne $dst) {
		im_rename($_, $dst) || die $@;   # XXX
	    }
	}
    }

    print "done\n" unless $opt_noharm;
    touch_folder($folder) unless $opt_noharm;
}

__END__

=head1 NAME

impack - pack mail/news messages in a folder

=head1 SYNOPSIS

B<impack> [OPTIONS] [FOLDER]

=head1 DESCRIPTION

The I<impack> command packs mail/news messages in a folder.

This command is provided by IM (Internet Message).

=head1 OPTIONS

=over 5

=item I<-s, --src=FOLDER>

Set source folder.  Default value is "+inbox".
"--src=+xxx" is equivalent to "+xxx".

=item I<-n, --noharm={on,off}>

No packing.  Show what will happen.

=item I<-v, --verbose={on,off}>

Print verbose messages when running.

=item I<--debug=DEBUG_OPTION>

Print debug messages when running.

=item I<-h, --help>

Display help message and exit.

=item I<--version>

Output version information and exit.

=back

=head1 COPYRIGHT

IM (Internet Message) is copyrighted by IM developing team.
You can redistribute it and/or modify it under the modified BSD
license.  See the copyright file for more details.

=cut

### Copyright (C) 1997, 1998, 1999 IM developing team
### All rights reserved.
### 
### Redistribution and use in source and binary forms, with or without
### modification, are permitted provided that the following conditions
### are met:
### 
### 1. Redistributions of source code must retain the above copyright
###    notice, this list of conditions and the following disclaimer.
### 2. Redistributions in binary form must reproduce the above copyright
###    notice, this list of conditions and the following disclaimer in the
###    documentation and/or other materials provided with the distribution.
### 3. Neither the name of the team nor the names of its contributors
###    may be used to endorse or promote products derived from this software
###    without specific prior written permission.
### 
### THIS SOFTWARE IS PROVIDED BY THE TEAM AND CONTRIBUTORS ``AS IS'' AND
### ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
### IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
### PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE TEAM OR CONTRIBUTORS BE
### LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
### CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
### SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
### BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
### WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
### OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
### IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

### Local Variables:
### mode: perl
### End: