#! /usr/bin/perl
# convert_to_maildir converts mboxes to maildir, and is released
# under the terms of the GPL version 2, or any later version, at your
# option. See the file README and COPYING for more information.
# Copyright 2011 by Don Armstrong <don@donarmstrong.com>.
# $Id: perl_script 1825 2011-01-02 01:53:43Z don $


use warnings;
use strict;

use Getopt::Long;
use Pod::Usage;

=head1 NAME

convert_to_maildir mailbox maildir - convert a mailbox to a maildir

=head1 SYNOPSIS

convert_to_maildir [options] mailbox maildir
convert_to_maildir -m maildir mailbox [mailbox2..]


 Options:
  --maildir,-m maildir destination
  --debug, -d debugging level (Default 0)
  --help, -h display this help
  --man, -m display manual

=head1 OPTIONS

=over

=item B<--maildir,-m>

Maildir destination; useful if converting multiple mailboxes

=item B<--debug, -d>

Debug verbosity. (Default 0)

=item B<--help, -h>

Display brief usage information.

=item B<--man, -m>

Display this manual.

=back

=head1 EXAMPLES


=cut


use vars qw($DEBUG);
use Date::Parse;
use IO::Handle;
use Fcntl;


my %options = (debug           => 0,
	       help            => 0,
	       man             => 0,
	       );

GetOptions(\%options,
	   'maildir|m=s',
	   'debug|d+','help|h|?','man|m');

pod2usage() if $options{help};
pod2usage({verbose=>2}) if $options{man};

$DEBUG = $options{debug};

my @USAGE_ERRORS;
if (@ARGV != 2 and not defined $options{maildir}) {
     push @USAGE_ERRORS,"You must either give one mailbox and one maildir, or use the -m option";
}

pod2usage(join("\n",@USAGE_ERRORS)) if @USAGE_ERRORS;

if (not defined $options{maildir}) {
    $options{maildir} = pop @ARGV;
}

for my $mailbox (@ARGV) {
    convert($mailbox,$options{maildir});
}

# The idea to do this came from
# http://blog.sandipb.net/2009/01/07/one-liner-to-convert-maildir-to-mbox-using-mutt/
# and talking with Mako. Lets just call mutt, it'll know what to do!
sub convert {
    my ($mailbox,$maildir) = @_;
    system('mutt','-m','maildir','-F/etc/Muttrc',
           '-n','-R','-f', $mailbox,'-e',
           'set confirmcreate=no; set delete=no; set confirmappend=no; set quit=yes; push T.*<enter>\;C'.
           $maildir.'<enter><quit>;');
}