Provided by: exfalso_4.2.1-1_all 
NAME
operon - command line music tagger
SYNOPSIS
operon [--version] [--help] [-v | --verbose] <command> [<argument>...]
operon help <command>
OPTIONS
-h, --help
Display help and exit
--version
Print the program version
-v, --verbose
Verbose mode
COMMAND-OVERVIEW
Edit Tags
add Add a tag value
remove Remove a tag value
set Set a tag and remove existing values
clear Remove tags
copy Copy tags from one file to another
edit Edit tags in a text editor
fill Fill tags based on the file path
Show file metadata
list List tags
info List file information
print Print tags based on the given pattern
Edit Embedded Images
image-extract Extract embedded images
image-set Set embedded image
image-clear Remove embedded images
Miscellaneous
tags List all common tags
help Display help information
EDIT TAGS
add
Add a new tag <tag> with the value <value> to all files.
operon add [-h] <tag> <value> <file>...
-h, --help
Display help and exit
Example:
operon add artist 'The Beatles' song1.ogg song2.ogg
remove
Remove all values from the tag <tag> that match either <value> or the regular expression
<pattern> from all files.
operon remove [-h] [--dry-run] <tag> (-e <pattern> | <value>) <file>...
-h, --help
Display help and exit
--dry-run
Print the results without changing any files
-e,--regexp <regexp>
Remove all tag values that match the given regular expression
Example:
operon remove artist 'The Beatles' song.ogg
set
Replace all values of the tag <tag> by <value> in all files.
operon set [-h] [--dry-run] <tag> <value> <file>...
-h, --help
Display help and exit
--dry-run
Print the results without changing any files
Example:
operon set artist 'The Beatles' song.ogg
clear
Remove all tags that match <tag> or the regular expression <pattern> from all files. If
--all is specified, all known tags will be removed.
operon clear [-h] [--dry-run] (-a | -e <pattern> | <tag>) <file>...
-h, --help
Display help and exit
--dry-run
Print the results without changing any files
-a, --all
Remove all tags
-e,--regexp <regexp>
Remove all tags that match the given regular expression
Example:
operon clear -a song.ogg
operon clear -e 'musicbrainz_.*' song.ogg
operon clear date song.ogg
copy
Copy all tags from the file <source> to <dest>. All tags in <dest> will be preserved. In
case the destination format doesn't support setting a tag from source, no tags will be
copied. To ignore tags that aren't supported by the destination format pass
--ignore-errors.
operon copy [-h] [--dry-run] [--ignore-errors] <source> <dest>
-h, --help
Display help and exit
--dry-run
Print the results without changing any files
--ignore-errors
Skip tags which the target file does not support
Example:
operon copy song.flac song.ogg
edit
Shows all tags in a text editor and will apply any changes made to the text to the tags.
operon will use the editor specified in the VISUAL or EDITOR environment variables and if
those are not set fall back to 'nano'.
operon edit [-h] [--dry-run] <file>
-h, --help
Display help and exit
--dry-run
Print the results without changing any files
Example:
VISUAL=vi operon edit song.flac
fill
Fill tags based one file paths and a given pattern.
operon fill [-h] [--dry-run] <pattern> <file>...
-h, --help
show this help message and exit
--dry-run
show changes, don't apply them
Example:
operon fill --dry-run "<tracknumber>. <title>" "01. Was Ist Ist.flac"
SHOW FILE METADATA
list
Lists all tags, values and a description of each tag in a table.
operon list [-h] [-a] [-t] [-c <c1>,<c2>...] <file>
-h, --help
Display help and exit
-a, --all
Also list programmatic tags
-t, --terse
Output is terse and suitable for script processing
-c, --columns <name>,...
Defines which columns should be printed and in which order
Example:
operon list -a song.flac
operon list -t -c tag,value song.ogg
info
Lists non-tag metadata like length, size and format.
operon info [-h] [-t] [-c <c1>,<c2>...] <file>
-h, --help
Display help and exit
-t, --terse
Output is terse and suitable for script processing
-c, --columns <name>,...
Defines which columns should be printed and in which order
Example:
operon info a.ogg
print
Prints information per file built from tag values. The pattern can be customized by
passing a pattern string (See quodlibet(1) for the pattern format)
operon print [-h] [-p <pattern>] <file>...
-h, --help
Display help and exit
-p,--pattern <pattern>
Use a custom pattern
Example:
operon print -p "<album> - <artist>" a.ogg
EDIT EMBEDDED IMAGES
image-extract
Extract all embedded images to the current working directory or the specified destination
directory.
operon image-extract [-h] [--dry-run] [--primary] [-d <destination>] <file>...
-h, --help
Display help and exit
--dry-run
Print the found images and resulting file paths but don't save them
--primary
Only extract the primary images for each file
-d,--destination <destination>
Save all images to the specified destination
Example:
operon image-extract asong.mp3 anotherone.ogg
image-set
Set the provided image as primary embedded image and remove all other embedded images.
operon image-set <image-file> <file>...
-h, --help
Display help and exit
Example:
operon image-set cover.jpg song.mp3
image-clear
Remove all embedded images from all specified files.
operon image-clear <file>...
-h, --help
Display help and exit
Example:
operon image-clear song.mp3
MISCELLANEOUS
tags
List all common tags
operon tags [-h] [-a] [-t] [-c <c1>,<c2>...]
-h, --help
Display help and exit
-a, --all
Also list programmatic tags
-t, --terse
Output is terse and suitable for script processing
-c, --columns <name>,...
Defines which columns should be printed and in which order
Example:
operon tags -a
operon tags -t -c tag
help
operon help [<command>]
Example:
operon help list
SEE ALSO
regex(7)
exfalso(1)
quodlibet(1)
OPERON(1)