| 1 | #! /usr/bin/perl -W |
| 2 | # |
| 3 | # mmm Version 0.3 by Thomas Hochstein |
| 4 | # |
| 5 | # Create a MIME multipart/alternative part, containing |
| 6 | # text/plain (in Markdowen) and text/html, from a |
| 7 | # Markdown file. |
| 8 | # |
| 9 | # Copyright (c) 2015-2016 Thomas Hochstein <thh@thh.name> |
| 10 | # |
| 11 | # It can be redistributed and/or modified under the same terms under |
| 12 | # which Perl itself is published. |
| 13 | |
| 14 | my $VERSION = "0.3"; |
| 15 | |
| 16 | use strict; |
| 17 | use Getopt::Long qw(GetOptions); |
| 18 | use Text::Markdown; |
| 19 | |
| 20 | # read commandline option(s) |
| 21 | my ($OptInFile,$OptHeaderFile); |
| 22 | GetOptions ('f|file=s' => \$OptInFile, |
| 23 | 't|headers=s' => \$OptHeaderFile, |
| 24 | 'H|help' => \&ShowPOD, |
| 25 | 'V|version' => \&ShowVersion) or exit 1; |
| 26 | |
| 27 | # read input from STDIN or --file |
| 28 | # unset $/ |
| 29 | undef $/; |
| 30 | my $markdown; |
| 31 | if ($OptInFile) { |
| 32 | open(FILE, "< $OptInFile") or die "Can't open $OptInFile: $!"; |
| 33 | $markdown = <FILE>; |
| 34 | close(FILE); |
| 35 | } else { |
| 36 | $markdown = <>; |
| 37 | } |
| 38 | # read header template |
| 39 | my $headers; |
| 40 | if ($OptHeaderFile) { |
| 41 | open(HEADERS, "< $OptHeaderFile") or die "Can't open $OptHeaderFile: $!"; |
| 42 | $headers = <HEADERS>; |
| 43 | close(HEADERS); |
| 44 | # remove all trailing newlines |
| 45 | $headers =~ s/\n+$//; |
| 46 | } |
| 47 | # reset $/ |
| 48 | $/ = "\n"; |
| 49 | |
| 50 | # convert markdown to html |
| 51 | my $html = Text::Markdown::Markdown($markdown); |
| 52 | |
| 53 | # output |
| 54 | print "$headers\n" if ($OptHeaderFile); |
| 55 | |
| 56 | my $Boundary = &GenBoundary; |
| 57 | print "MIME-Version: 1.0\n"; |
| 58 | print "Content-Type: multipart/alternative;\n"; |
| 59 | printf (' boundary="%s"'."\n",$Boundary); |
| 60 | print "\n"; |
| 61 | |
| 62 | print "This is a multi-part message in MIME format.\n"; |
| 63 | |
| 64 | printf ("--%s\n",$Boundary); |
| 65 | print "Content-Type: text/plain; charset=ISO-8859-15\n"; |
| 66 | print "Content-Transfer-Encoding: 8bit\n"; |
| 67 | print "\n"; |
| 68 | print "$markdown\n"; |
| 69 | |
| 70 | printf ("--%s\n",$Boundary); |
| 71 | print "Content-Type: text/html; charset=ISO-8859-15\n"; |
| 72 | print "Content-Transfer-Encoding: 8bit\n"; |
| 73 | print "X-Creator: Markdown/1.0.1\n"; |
| 74 | print "\n"; |
| 75 | print "$html\n"; |
| 76 | |
| 77 | printf ("--%s--\n",$Boundary); |
| 78 | |
| 79 | exit(0); |
| 80 | |
| 81 | ################################################################################ |
| 82 | |
| 83 | sub GenBoundary { |
| 84 | my $hex; |
| 85 | $hex .= sprintf("%x", rand 16) for 1..25; |
| 86 | return ( "--MMM" . $hex); |
| 87 | } |
| 88 | |
| 89 | sub ShowVersion { |
| 90 | print "mmm v$VERSION\n"; |
| 91 | print "MIME multipart/alternative from Markdown - MMM\n"; |
| 92 | print "Copyright (c) 2015 Thomas Hochstein <thh\@thh.name>\n"; |
| 93 | print "This program is free software; you may redistribute it ". |
| 94 | "and/or modify it under the same terms as Perl itself.\n"; |
| 95 | exit(100); |
| 96 | }; |
| 97 | |
| 98 | sub ShowPOD { |
| 99 | exec('perldoc', $0); |
| 100 | exit(100); |
| 101 | }; |