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https://github.com/imapsync/imapsync.git
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267 lines
7.0 KiB
Perl
Executable File
267 lines
7.0 KiB
Perl
Executable File
#!/usr/local/bin/perl
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# (c) 1999 Thomas Stromberg, Research Triangle Commerce, Inc.
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# This software is protected by the BSD License. No rights reserved anyhow.
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# <tstromberg@rtci.com>
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# DESC: Reads a users IMAP folders, and converts them to mbox
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# Good for an interim switch-over from say, Exchange to Cyrus IMAP.
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# $Header$
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# History:
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# --------
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# 2008/08/07 - Added SSL support, fixed From header printing, and CR
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# elimination (sobek)
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# TODO:
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# -----
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# lsub instead of list option
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use warnings;
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use strict;
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use Mail::IMAPClient; # a nice set of perl libs for imap
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use IO::Socket::SSL; # for SSL support
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use vars qw($opt_h $opt_u $opt_p $opt_P $opt_s $opt_i $opt_f $opt_m $opt_b
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$opt_c $opt_r $opt_w $opt_W $opt_S $opt_D $opt_U $opt_d $opt_I
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$opt_n);
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use Getopt::Std; # for the command-line overrides. good for user
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use File::Path; # create full file paths. (yummy!)
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use File::Basename; # find a nice basename for a folder.
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use Date::Manip; # to create From header date
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$| = 1;
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sub connect_imap();
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sub find_folders();
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sub write_folder($$$$);
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sub help();
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# Config for the imap migration kit.
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getopts('u:p:P:s:i:f:m:b:c:r:w:W:SDUdhIn:') or
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$opt_h = 1;
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my $SSL = $opt_S || 0;
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my $SERVER = $opt_s || 'machine';
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my $USER = $opt_u || 'userid';
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my $PASSWORD = $opt_p || 'password';
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my $PORT = $opt_P || '143';
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my $INBOX_PATH = $opt_i || "/var/mail/$USER";
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my $DOINBOX = $opt_I ? 0 : 1 || 1;
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my $FOLDERS_PATH = $opt_f || "./folders/$USER";
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my $DONT_MOVE = $opt_m || '.mailboxlist|Trash|INBOXIIMAP|mlbxl';
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my $READ_DELIMITER = $opt_r || '/';
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my $WRITE_DELIMITER = $opt_w || '/';
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my $WRITE_MODE = $opt_W || '>';
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my $BANNED_CHARS = $opt_b || '.|^|%';
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my $CR = $opt_c || "\r";
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my $NUMBER = $opt_n || "";
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my $DELETE = $opt_D || 0;
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my $DEBUG = $opt_d || "0";
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my $UNSEEN = $opt_U || 0;
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my $FAIL = 0;
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my $imap; # definition for IMAP structure
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if ($opt_h) {
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# print help here
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help();
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}
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sub help() {
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print "imap_to_mbox.pl - with the following optional arguments\:
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-S Use an SSL connection (default $SSL)
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-s <s> Server specification (default $SERVER)
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-u <u> User login (default $USER)
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-p <p> User password
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-P <p> Server Port (default $PORT)
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-i <i> INBOX save path (default $INBOX_PATH)
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-I skip INBOX (default $DOINBOX)
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-f <f> Save path for other folders (default $FOLDERS_PATH)
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-m <r> Regexp for IMAP folders not to be saved:
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$DONT_MOVE
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-r <r> Read delimiter (default \"$READ_DELIMITER\")
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-w <w> Write Delimiter (default \"$WRITE_DELIMITER\")
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-b <b> Banned chars (default \"$BANNED_CHARS\")
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-c <c> Strip CRs from saved files [for Unix] (default \"$CR\")
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-n <n> Receive only <n> messages (Default ".($NUMBER ? "$NUMBER" : "all").")
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-U Unseen messages Only
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-D Delete downloaded files on server
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-d Debug mode (default $DEBUG)\n";
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exit 1;
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}
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## do our magic tricks ######################################
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connect_imap();
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find_folders();
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sub connect_imap()
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{
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# Open an SSL session to the IMAP server
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# Handles the SSL setup, and gives us back a socket
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my $ssl;
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if ($opt_S) {
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$ssl=IO::Socket::SSL->new(
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PeerHost => "$SERVER:imaps"
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# , SSL_version => 'SSLv2' # for older versions of openssl
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);
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defined $ssl
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or die "Error connecting to $SERVER:imaps - $@";
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$ssl->autoflush(1);
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}
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$imap = Mail::IMAPClient->new(
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Socket => ($opt_S ? $ssl : 0),
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Server => $SERVER,
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User => $USER,
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Password => $PASSWORD,
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Port => $PORT,
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Debug => $DEBUG,
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Uid => 0,
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Clear => 1,
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)
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or die ("Could not connect to $SERVER:$PORT with $USER: $! $?\n");
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}
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sub find_folders()
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{
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my @folders = $imap->folders;
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# push(@folders, "INBOX");
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foreach my $folder (@folders) {
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my $message_count;
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if ($folder eq "INBOX" and $DOINBOX == 0) {
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print "* $folder is unwanted, skipping.\n";
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next;
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}
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if (!$UNSEEN) {
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$message_count = $imap->message_count($folder);
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} else {
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$message_count = $imap->unseen_count($folder) || 0;
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}
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if(! $message_count) {
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print "* $folder is empty, skipping.\n";
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next;
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}
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if($folder =~ /$DONT_MOVE/) {
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warn "! $folder matches DONT_MOVE ruleset, skipping\n";
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next;
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}
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my $new_folder = $folder;
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$new_folder =~ s/\./_/g;
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$new_folder =~ s/\Q$READ_DELIMITER/$WRITE_DELIMITER/g;
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my $path
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= $new_folder eq "INBOX" ? "$INBOX_PATH"
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: "$FOLDERS_PATH/$new_folder";
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if ($NUMBER && $NUMBER < $message_count) {
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printf "x %4i %-45.45s => %s", $NUMBER, $folder, $path;
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write_folder $folder, $path, 1, $NUMBER;
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} else {
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printf "x %4i %-45.45s => %s", $message_count, $folder, $path;
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write_folder $folder, $path, 1, $message_count;
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}
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}
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}
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sub write_folder($$$$)
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{ my($folder, $newpath, $first_message, $last_message) = @_;
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$imap->select($folder)
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or warn "Could not examine $folder: $!";
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my $new_dir = dirname $newpath;
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my $new_file = basename $newpath;
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-d $new_dir
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or mkpath($new_dir, 0700)
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or die "Cannot create $new_dir:$!\n";
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open my $mbox, $WRITE_MODE, $newpath
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or die "Cannot create file $newpath: $!\n";
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my @msgs = $imap->unseen if $UNSEEN;
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for (my $i=$first_message; $i<$last_message+1; ++$i)
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{ my $m = ($UNSEEN ? shift @msgs : $i);
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my $date = UnixDate(ParseDate($imap->internaldate($m)),
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"%a %b %e %T %Y");
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my $user = $imap->get_envelope($m)->from_addresses;
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$user =~ s/^.*<([^>]*)>/$1/;
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$user = '-' unless $user;
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print '.' if $m%25 == 0;
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my $msg_header = $imap->fetch($m, "FAST")
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or warn "Could not fetch header $m from $folder\n";
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my $msg_rfc822 = $imap->fetch($m, "RFC822");
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unless($msg_rfc822)
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{ warn "Could not fetch RFC822 $m from $folder\n";
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$FAIL=1
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}
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undef my $start;
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foreach (@$msg_rfc822)
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{ my $message;
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if($_ =~ /\: / && !$message)
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{ ++$message;
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print $mbox "From $user $date\n";
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}
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if(/^\)\r/)
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{ undef $message;
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print $mbox "\n\n";
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}
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next unless $message;
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$_ =~ s/\r$//;
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$_ = $imap->Strip_cr($_) if $CR;
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print $mbox "$_";
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}
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if($DELETE && ! $FAIL)
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{ $imap->delete_message($m)
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or warn "Could not delete_message: $@\n";
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$FAIL = 0;
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}
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}
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close $mbox
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or die "Write errors to $newpath: $!\n";
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if($DELETE)
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{ $imap->expunge($folder)
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or warn "Could not expunge: $@\n";
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}
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print "\n";
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}
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# 2008/08/07 - Added SSL support, fixed From header printing, and CR
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# elimination (sobek)
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#
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# Revision 19991216.7 2002/08/23 13:29:48 dkernen
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#
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# Revision 19991216.6 2000/12/11 21:58:52 dkernen
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#
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# Revision 19991216.5 1999/12/16 17:19:12 dkernen
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# Bring up to same level
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#
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# Revision 19991124.3 1999/12/16 17:14:25 dkernen
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# Incorporate changes for exists method performance enhancement
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#
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# Revision 19991124.02 1999/11/24 17:46:19 dkernen
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# More fixes to t/basic.t
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#
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# Revision 19991124.01 1999/11/24 16:51:49 dkernen
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# Changed t/basic.t to test for UIDPLUS before trying UID cmds
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#
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# Revision 1.3 1999/11/23 17:51:06 dkernen
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# Committing version 1.06 distribution copy
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