File: imclean.in

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#! @im_path_perl@
################################################################
###
###				 imclean
###
###	      Copyright (C) 1997  Internet Message Group
###
###		     This Perl5 library conforms
###		GNU GENERAL PUBLIC LICENSE Version 2.
###
###
### Author:  Internet Message Group <img@mew.org>
### Created: Apr 23, 1997
### Revised: @im_revised@
###

my $VERSION = "imclean @im_version@";

$Prog = 'imclean';

##
## Require packages
##

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

##
## Environments
##

$EXPLANATION = "
$Prog :: Internet Message Garbage Cleanup
$VERSION

Usage: $Prog [options] [msgs...]
";

@OptConfig = (
    'src;F;;'     => "Set a folder to be cleaned up.",
    'noharm;b;;'  => "Do not delete files, show what will be performed.",
    'quiet;b;;'   => "Do not show any messages.",
    'verbose;b;;' => 'With verbose messages.',
    'debug;d;;'   => "With debug message.",
    'help;b;;'    => "Show this message.",
    );

##
## Profile and option processing
##

init_opt(\@OptConfig);
read_cfg();
read_opt(\@ARGV); # help?
help($EXPLANATION) && exit $EXIT_SUCCESS if $opt_help;

debug_option($opt_debug) if $opt_debug;

##
## Main
##

my @msgs = @ARGV;
@msgs = ('all') if (!@ARGV);

imclean($opt_src, @msgs);
exit $EXIT_SUCCESS;

##
## work horse

sub imclean ($@) {
    my ($folder, @msgs) = @_;
    my (@paths, $set, $HANDLE);

    if ($folder !~ /^%/) {
	@paths = get_message_paths($folder, @msgs);
	if (scalar(@paths) == 0) {
	    im_warn("no msgs in $folder\n");
	    return;
	}
    } else {
	# IMAP folder (%folder[:[user[/auth]]@server])
	require IM::Imap && import IM::Imap;
	require IM::GetPass && import IM::GetPass;
	my ($ifld, $auth, $user, $host);

	$ifld = $folder;
	if ($ifld !~ /[:\@]/) {
	    # Use ImapAccount spec, unless user or host is specified.
	    (my $dummy, $auth, $user, $host) = imap_spec('');
	    $ifld =~ s/^%//;
	} else {
	    ($ifld, $auth, $user, $host) = imap_spec($ifld);
	}

	my $pass = '';
	my $agtfound = 0;
	my $interact = 0;
	if (&usepwagent()) {
	    $pass = &loadpass('imap', $auth, $host, $user);
	    $agtfound = 1 if ($pass ne '');
	}
	if ($pass eq '' && &usepwfiles()) {
	    $pass = &findpass('imap', $auth, $host, $user);
	}
	if ($pass eq '') {
	    $pass = &getpass('Password: ');
	    $interact = 1;
	}

	im_warn("accessing IMAP/$auth:$user\@$host\n") if (&verbose);

	(my $rc, $HANDLE) = imap_open($auth, $host, $user, $pass);
	if ($rc < 0) {
	    im_warn("IMAP connection was not established.\n")
		if (&debug('imap') || &verbose);
	    &savepass('imap', $auth, $host, $user, '')
		if ($agtfound && &usepwagent());
	    exit $EXIT_ERROR;
	}
	&savepass('imap', $auth, $host, $user, $pass)
	    if ($interact && $pass ne '' && &usepwagent());
	my $exists = imap_select($HANDLE, $ifld, 1);
	if ($exists < 0) {
	    imap_close($HANDLE);
	    im_die("can't access to $folder\n");
	} elsif ($exists == 0) {
	    imap_close($HANDLE);
	    im_warn("no msgs in $folder\n");
	    return;
	}
	$set = imap_range2set($HANDLE, @msgs);
    }

    print "unlinking msgs in $folder ... " unless ($opt_noharm || $opt_quiet);
    print "\n" if $opt_verbose;
    flush('STDOUT') unless $opt_noharm;

    if ($folder !~ /^%/) {
	my $i = 0;
	foreach (@paths) {
	    im_die("invalid message specification (unlinked $i message(s))\n")
		if (!-f $_);
	    im_unlink($_);
	    $i++;
	}
    } else {
	imap_delete($HANDLE, $set);
	imap_close($HANDLE);
    }

    print "done\n" unless ($opt_noharm || $opt_quiet);
    if ($folder !~ /^%/) {
	touch_folder($folder) unless $opt_noharm;
    }
}

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