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mp3::tag::file(3pm) [debian man page]

MP3::Tag::File(3pm)					User Contributed Perl Documentation				       MP3::Tag::File(3pm)

NAME
MP3::Tag::File - Module for reading / writing files SYNOPSIS
my $mp3 = MP3::Tag->new($filename); ($title, $artist, $no, $album, $year) = $mp3->parse_filename(); see MP3::Tag DESCRIPTION
MP3::Tag::File is designed to be called from the MP3::Tag module. It offers possibilities to read/write data from files via read(), write(), truncate(), seek(), tell(), open(), close(); one can find the filename via the filename() method. parse_filename() ($title, $artist, $no, $album, $year) = $mp3->parse_filename($what, $filename); parse_filename() tries to extract information about artist, title, track number, album and year from the filename. (For backward compatibility it may be also called by deprecated name read_filename().) This is likely to fail for a lot of filenames, especially the album will be often wrongly guessed, as the name of the parent directory is taken as album name. $what and $filename are optional. $what maybe title, track, artist, album or year. If $what is defined parse_filename() will return only this element. If $filename is defined this filename will be used and not the real filename which was set by MP3::Tag with "MP3::Tag->new($filename)". Otherwise the actual filename is used (subject to configuration variable "decode_encoding_filename"). Following formats will be hopefully recognized: - album name/artist name - song name.mp3 - album_name/artist_name-song_name.mp3 - album.name/artist.name_song.name.mp3 - album name/(artist name) song name.mp3 - album name/01. artist name - song name.mp3 - album name/artist name - 01 - song.name.mp3 If artist or title end in "(NUMBER)" with 4-digit NUMBER, it is considered the year. title() $title = $mp3->title($filename); Returns the title, guessed from the filename. See also parse_filename(). (For backward compatibility, can be called by deprecated name song().) $filename is optional and will be used instead of the real filename if defined. artist() $artist = $mp3->artist($filename); Returns the artist name, guessed from the filename. See also parse_filename() $filename is optional and will be used instead of the real filename if defined. track() $track = $mp3->track($filename); Returns the track number, guessed from the filename. See also parse_filename() $filename is optional and will be used instead of the real filename if defined. year() $year = $mp3->year($filename); Returns the year, guessed from the filename. See also parse_filename() $filename is optional and will be used instead of the real filename if defined. album() $album = $mp3->album($filename); Returns the album name, guessed from the filename. See also parse_filename() The album name is guessed from the parent directory, so it is very likely to fail. $filename is optional and will be used instead of the real filename if defined. comment() $comment = $mp3->comment($filename); # Always undef genre() $genre = $mp3->genre($filename); # Always undef perl v5.14.2 2009-11-28 MP3::Tag::File(3pm)

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ID3_SET_TAG(3)								 1							    ID3_SET_TAG(3)

id3_set_tag - Update information stored in an ID3 tag

SYNOPSIS
bool id3_set_tag (string $filename, array $tag, [int $version = ID3_V1_0]) DESCRIPTION
id3_set_tag(3) is used to change the information stored of an ID3 tag. If no tag has been present, it will be added to the file. PARAMETERS
o $filename - The path to the MP3 file Instead of a filename you may also pass a valid stream resource o $tag - An associative array of tag keys and values The following keys may be used in the associative array: Keys in the associative array +--------+--------------------------------------+---+ | key | | | | | | | | | possible value | | | | | | | | available in version | | | | | | +--------+--------------------------------------+---+ | title | | | | | | | | | string with maximum of 30 characters | | | | | | | | v1.0, v1.1 | | | | | | |artist | | | | | | | | | string with maximum of 30 characters | | | | | | | | v1.0, v1.1 | | | | | | | album | | | | | | | | | string with maximum of 30 characters | | | | | | | | v1.0, v1.1 | | | | | | | year | | | | | | | | | 4 digits | | | | | | | | v1.0, v1.1 | | | | | | | genre | | | | | | | | | integer value between 0 and 147 | | | | | | | | v1.0, v1.1 | | | | | | |comment | | | | | | | | | string with maximum of 30 characters | | | | (28 in v1.1) | | | | | | | | v1.0, v1.1 | | | | | | | track | | | | | | | | | integer between 0 and 255 | | | | | | | | v1.1 | | | | | | +--------+--------------------------------------+---+ o $version - Allows you to specify the version of the tag as MP3 files may contain both, version 1.x and version 2.x tags RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 id3_set_tag(3) example <?php $data = array( "title" => "Re:Start", "artist" => "Re:Legion", "comment" => "A nice track" ); $result = id3_set_tag( "path/to/example.mp3", $data, ID3_V1_0 ); if ($result === true) { echo "Tag successfully updated "; } ?> If the file is writable, this will output: Tag successfully updated NOTES
Note Currently id3_set_tag(3) only supports version 1.0 and 1.1. SEE ALSO
id3_remove_tag(3), id3_get_tag(3), id3_get_version(3). PHP Documentation Group ID3_SET_TAG(3)
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