How to convert Opera contacts file to Mutt aliases format

Recently I've been looking more and more into mutt, the email client. I've been a very happy M2 (Opera built-in email client) user for almost 3 years now. But still I felt I was missing something if I didn't try out mutt. I've been a pine user as well, many many years ago :) So, decided to give it a go, I started about a month ago.

I struggled a bit while getting a reasonable .muttrc file together. Fortunately, there's plenty of examples out there. After getting a working config, the problem was to get back my contacts list.

Mutt has a simple address book integration (through abook) and stores the contacts into an alias file, typically ~/.mutt/aliases. Now, Opera can of course export all your mail contacts to an .adr file, a simple "addressbook" text file. Did that, and I needed to convert it to mutt's aliases format.

Ten minutes later, a Perl script to do just that was ready. Here it is:

#!/usr/bin/env perl
# Convert Opera contacts file (.adr) into
# mutt aliases file format.
# Usage:
#   perl < ~/.opera/contacts.adr >> ~/.mutt/aliases
# Cosimo, 31/Jan/2011

use strict;
use warnings;
use utf8;

sub harvest ($) {
    my ($contact_info) = @_;

    my ($id)    = $contact_info =~ m{^ s+ ID   = (.*) $}mx;
    my ($name)  = $contact_info =~ m{^ s+ NAME = (.*) $}mx;
    my ($email) = $contact_info =~ m{^ s+ MAIL = (.*) $}mx;

    return if ! $id and ! $email;

    return {
        ID    => $id,
        NAME  => $name,
        MAIL => $email,


my $adr_file_contents = q{};
$adr_file_contents .= $_ while <STDIN>;

my @contacts = split m{#CONTACT}, $adr_file_contents;

for (@contacts) {
    my $contact = harvest($_) or next;
    my ($first_word) = $contact->{MAIL} =~ m{ (S+) @ }x;
    printf "alias %s %s <%s>n",
        lc($first_word), $contact->{NAME}, $contact->{MAIL};

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