/usr/share/doc/zh-autoconvert/examples/convmail.pl is in zh-autoconvert 0.3.16-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | #!/usr/bin/perl
#This is a GB<->Big5 Email convertsion script.
#It can handle the MIME encoding Subject and Attenchment file.
#It bases on Anthony Fok<foka@debian.org>'s debian-chinese-gateway.pl.
#By Yu Guanghui <ygh@dlut.edu.cn>,2000/6/6
#$Header: /home/prog/autoconvert/contrib/convmail.pl,v 1.2 2000/11/27 16:16:33 ygh Exp $
use strict;
use Fcntl;
use MIME::Parser;
use MIME::Entity;
use MIME::Words qw(:all);
use Getopt::Std;
#
# Variable definitions
#
my $home = "$ENV{HOME}";
my $bin = "/usr/bin";
my $mimemail= "$home/mimemail";
my $encoding = '8bit';
my $tmphdr = "$home/mimemail/msg-$$.hdr";
my $tmpbdy = "$home/mimemail/msg-$$.bdy";
my $sigstripper = "| perl -p -e '\$/ = \"\"; s/(-- )\\n.*\\n.*\\s*\$//;' ";
my $src_chasret;
my $dest;
my %big5 = ( charset => 'big5',
converter => "$bin/autob5" );
my %gb2312 = ( charset => 'gb2312',
converter => "$bin/autogb" );
my %opts;
#
# Parse the args
getopts('gb',\%opts);
if ($opts{"g"} && $opts{"b"}) {
usage();
}elsif($opts{"g"}){
$dest=\%gb2312;
}elsif($opts{"b"}){
$dest=\%big5;
}else{
usage();
}
#
# Parse the message
#
my $parser = new MIME::Parser output_dir => $mimemail,
output_prefix => "part",
output_to_core => 20000;
my $top = $parser->read(\*STDIN) or die "couldn't parse MIME stream";
my $head = $top->head;
#Convert the message
if (defined($dest)) {
# Decode the header to 8Bit
$head->decode;
my $header = $head->as_string;
if ($header =~ /[\x80-\xff]/) {
# Convert the decoded header to Big5/GB and write to a file
open(TMPHDR, "| $dest->{converter} > $tmphdr")
or die "$!";
$head->print(\*TMPHDR);
close TMPHDR;
# Re-read header, encode it as quoted-printable, and write it back.
open(TMPHDR, "< $tmphdr") or die "$!";
undef $/;
$header = <TMPHDR>;
$/ = "\n";
close TMPHDR;
$header = encode_mimewords($header, Charset => $dest->{charset});
open(TMPHDR, "> $tmphdr") or die "$!";
print TMPHDR $header;
close TMPHDR;
# Read in the header as the new head.
$top->head(MIME::Head->from_file($tmphdr)) or die "$!";
$head = $top->head;
unlink $tmphdr or die "$!";
}
# Convert the message body and parts if "Content-Type: text/plain"
my $body = $top->bodyhandle;
recode_body($top) if defined($body);
$sigstripper = "";
my $num_parts = $top->parts;
my $i;
for ($i = 0; $i < $num_parts; $i++) {
recode_body($top->parts($i));
}
}
#
#out put the message
#
my $recvdate=gmtime();
my $sender= $head->get('Return-Path',0);
chop($sender);
$sender=~ s/[<>]//g;
printf("From %s %s\n",$sender,$recvdate);
$top->print(\*STDOUT);
printf("\n");
# Clean up
$top->purge;
#
# Subroutines
#
sub recode_body($) {
my $entity = shift;
my $head = $entity->head;
my $body = $entity->bodyhandle;
my $mime_type = $head->mime_type;
my $charset = 'us-ascii';
if (lc($mime_type) eq "text/plain" and defined($body)) {
# Convert the body to Big5/GB and write to a file
open(TMPBDY, "$sigstripper| $dest->{converter} > $tmpbdy") or die "$!";
print TMPBDY $body->as_lines;
close TMPBDY;
# Read in the body
my $IO = $body->open("w") or die "open body: $!";
open(TMPBDY, "< $tmpbdy") or die "$!";
while (<TMPBDY>) {
$IO->print($_);
}
close TMPBDY;
$IO->close or die "close I/O handle: $!";
my $bodytext = $body->as_string;
$charset = $dest->{charset} if $bodytext =~ /[\x80-\xff]/;
$head->replace('Content-Type', $mime_type . '; charset=' . $charset);
$head->replace('Content-Transfer-Encoding', $encoding);
unlink $tmpbdy or die "$!";
}
}
sub usage(){
print "Usage: convmail.pl [-g|-b]\n";
print "-g\tConvert mail to gb2312\n";
print "-b\tConvert mail to big5\n";
exit;
}
|