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Langue: en

Autres versions - même langue

Version: 2008-02-01 (ubuntu - 07/07/09)

Section: 1 (Commandes utilisateur)


audio_rename - rename an audio file via information got via MP3::Tag.


   audio_rename -csR -@p "@a/@l/@02n_@t" .

renames all the audio files in this directory and its subdirectories into a 3-level directory structure given by Artist_Name/Album/Filename, with the basename of Filename being the 2-digit track number separated from the title by underscore; it also transliterates cyrillic, and shortens long names.

(Due to use of "-@" and double quotes, this command line should work both with UNIXish and DOSish shells; the other examples can be massaged likewise.)

   audio_rename -KD *.wav

Reports how it would rename the *.wav files in this directory according to the default -p rule, but without protectiing ``funny'' characters. Will not do actual renaming.

   audio_rename -sc *.mp3

Rename the *.mp3 files in this directory according to the default -p rule, translating cyrillic characters into Latin ``equivalents'', shortening the names of long components, and protecting ``funny'' characters.

   audio_rename -p '%a/%{d0}/%B' -G '*/*.mp3'

Assuming one-level subdirectory structure dir/filename.ext, finds files with extension .mp3, and ``sorts'' them into a two-level subdirectory structure; toplevel directory is based on the ``artist'' field, the remaing level is preserved.

   audio_rename -p '%a/%{d0}/%B' -R .

Likewise, but does not suppose any particular depth of the current directory structure; only the filename and the most internal directory name are preserved.

   audio_rename -p '%a/%N' -R .

Likewise, but all directory names (inside the current directory) are preserved.


The script takes a list of files (or, with -R option, directories) and renames the given files (or audio files in the directories) according to the rules specified through the command line options. File extensions are preserved (by default).

Some ``companion'' files (i.e., files with the same basename, and with an extension from a certain list) may be renamed together with audio files. A lot of care is taken to make the resulting file names as portable as possible: e.g., ``funny'' characters in file names are dumbed down (unless requested otherwise), long filename components may be shortened to certain limits.

A care is taken so that renaming will not overwrite existing files; however, on OSes which allow rename() to overwrite files, race conditions can ruin the best intentions. E.g., do not run several ``overlapping'' rename procedures simultaneously!

Recognized options

General use options:
Target file name/basename pattern; is subject to interpolation via "MP3::Tag" method "interpolate()". Default is "%02n_%t"; this uses 2-digit track number separated from the title by underscore.
-e ".ext1|.ext2|..."
"|"-separated list of associated extensions; when renaming source.mp3 to target.mp3, the similar rename will be done to files with the same basename, and extensions .ext1, .ext2, etc. Defaults to ".inf|.tag|.id3".
If not present, the pattern of -p is the basename; the extension of the initial file is appended (as interpolated by %E). If present, the pattern of -p is the complete file name. Behaviour with non-empty list of associated extensions is not defined.

The following options have the same meaning as for script "mp3info2"

``Dry run'': do not rename, just report the calculated renames.
Arguments are glob patterns; expand them.
Arguments are directory names, recurse inside using option -E for choosing audio files via their extension.
Regular expression to use when looking for audio files per option -R. Defaults to "(?i:\.mp3$)": will find files ending in .mp3 (ignoring the case). Note that this expression is put into a case-ignoring regular expression, so if you want it to be case-sensitive, protect it as in "(?-i:REGEXPR)".
-E "option_letters"
Controls expansion of escape characters. It should contain the letters of the command-line options where "\\, \n, \t" are interpolated. Default is none.
Replace "@" by "%" in option values. (May be useful since -p and -P may have a lot of embedded characters "%", which may be hard to deal with on some shells, e.g., DOSISH shells. DOSish shells recognize double quotes, so if one wants shell-transparent examples of command lines, use -@ and double quotes.)
-P "patterns"
Patterns to parse before application of the rule -p. See mp3info2 for details.
-C "config_options"
Configuration options for MP3::Tag. See mp3info2 for details.

File name portability options:

Make the components of file names short enough to fit on a CD file system. Currently this means the restriction to 110 chars (as with "mkisofs -J --joliet-long", at least of version 2.01a32). The limit may be modified per "AUDIO_MAX_FILENAME_LEN" environment variable.

Note that ``components'' are parts separated by a literal character "/" in the given pattern (not slashes coming from interpolated strings).

Latinize file names (for portability) assuming they are in WinCyrillic encoding. Needs (in examples/mod directory of the distribution; put it in the same directory as the script).
Do not convert ``exotic'' characters to underscores (those characters which have a low portability score, so the files will have problem being moved between systems).

Note that this utility performes very similarly to mp3info2 utility when the latter one is used with -p option; only instead of printing the result of interpolation of -p, it uses the result as the target file name for renaming (after some ``sanitizing'' of the result). (However, the defaults for "-E" options differ!)

Please take into account that the option -P is provided for completeness only. If one needs really complicated parsing rules to deduce the resulting file name, it is much safer to use mp3info2 utility to set the wanted file name into some ID3v2 frame (such as "TXXX[wanted-target-name]"), and then, after checking for errors, use this result similarly to

   audio_rename -p "%{TXXX[wanted-target-name]]}" -R .

After rename, one can delete this frame from the resulting files.

If you want to be absolutely error-prone, preserve the initial file name inside the files by doing something similar to

   mp3info2 -@F "TXXX[orig-fname]=@A" -R .

before the rename. If worst comes to worst (but no race conditions happend, so files are not overwritten), one should be able to restore the status quo by running

   audio_rename -@p "@A" files_or_directories_list

(giving -R option if needed).


With -R option, there might be situations when the scan of subdirectories first finds a source file in some directory, renames it, then continues the scan of other subdirectories, and will find the target file, so will try to rename it again.

In practice, I do not recall ever encountering this situation; if the target file name depends only on the contents of the file, and not its name, then the second rename will be tautological, so not visible.


Ilya Zakharevich <>.


MP3::Tag, MP3::Tag::ParseData, mp3info2
S'il y avait moins de monde dans la foule, il y aurait plus de place
pour chacun.
-+- Pierre Dac -+-