source: mp3-find/trunk/bin/mp3find @ 26

#!/usr/bin/perl -w
use strict;

use Getopt::Long qw(:config pass_through); # use pass_through so we can get the query args

use MP3::Find qw(Filesystem);
use MP3::Find::Util qw(build_query);
use File::Spec::Functions qw(catfile);

GetOptions(
    'ignore-case|i' => \my $IGNORE_CASE,
    'exact-match|w' => \my $EXACT_MATCH,
    'sort|s=s'      => \my $SORT_TAG,
    'printf=s'      => \my $FORMAT,
);

my ($DIRS, $QUERY) = build_query(@ARGV);
push @$DIRS, '.' unless @$DIRS;

print "$_\n" foreach find_mp3s(
    dir         => $DIRS,
    query       => $QUERY,
    ignore_case => $IGNORE_CASE,
    exact_match => $EXACT_MATCH,
    ($SORT_TAG ? (sort => [split(/,/, $SORT_TAG)]) : ()),
    printf      => $FORMAT,
    db_file     => catfile($ENV{HOME}, 'mp3.db'),
    use_id3v2   => 1,  # search using ID3v2 tags by default
);

=head1 NAME

mp3find - Find MP3 files based on their ID3 tags or info

=head1 SYNOPSIS

    $ mp3find ~/cds -i -artist beatles -sort year,album,tracknum -printf '%2n. %a - %t (%b: %y)'
     1. The Beatles - Magical Mystery Tour (Magical Mystery Tour: 1967)
     2. The Beatles - The Fool on the Hill (Magical Mystery Tour: 1967)
     3. The Beatles - Flying (Magical Mystery Tour: 1967)
     4. The Beatles - Blue Jay Way (Magical Mystery Tour: 1967)
     5. The Beatles - Your Mother Should Know (Magical Mystery Tour: 1967)
     6. The Beatles - I Am The Walrus (Magical Mystery Tour: 1967)
    # etc.
    
    # shuffle and play your entire mp3 collection
    $ mp3find | xargs madplay -z
    
    # ...or just your Sabbath
    $ mp3find -i -artist 'black sabbath' | xargs madplay -z

=head1 DESCRIPTION

    $ mp3find [options] [directory] [<-field> <pattern> [<-field> <pattern> ...]]

The real guts of the operation are in L<MP3::Find>.

=head2 OPTIONS

=over

=item C<-ignore-case>, C<-i>

Case insensitive matching.

=item C<-exact-match>, C<-w>

All search patterns must match the entire value, and not just a
substring. This has the same effect as putting a C<^> and C<$>
around each pattern.

=item C<-2>

Lets you give ID3v2 frame ids as search fields. For instance, to
find everything which has been tagged as having an "Original artist"
(i.e., It's probably a cover song):

    mp3find ~/music -tope .

=item C<-sort>

Which ID3 fields to sort the results by; separate multiple fields
with commas. The default behavior just returns the filenames in the
order that L<File::Find> finds them.

=item C<-printf>

The output format for each file found. The available format codes are:

    %a - artist
    %t - title
    %b - album
    %n - track number
    %y - year
    %g - genre
    %% - literal '%'

Numeric modifiers may be used; they are interpreted like modifiers to
the C<%s> code in Perl's C<printf> function.

If no C<-printf> option is used, the full path to the file is printed
instead.

=item C<< -<field> <pattern> [patterns...] >>

The fields you are searching on. More than one pattern for a given field
are combined with 'OR', while the fields to be matched are 'AND'-ed together.
For the list of recognized fields, see L<MP3::Find>.

=back

=head1 AUTHOR

Peter Eichman <peichman@cpan.org>

=head1 COPYRIGHT AND LICENSE

Copyright (c) 2006 by Peter Eichman. All rights reserved.

This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.

=cut