vorbiscomment - List or edit comments in Ogg Vorbis files

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VORBISCOMMENT(1) Ogg Vorbis Tools VORBISCOMMENT(1)

NAME
vorbiscomment - List or edit comments in Ogg Vorbis files

SYNOPSIS
vorbiscomment [-l] [-R] [-e] file.ogg
vorbiscomment -a [ -c commentfile | -t “name=value” ] [-q] [-R] [-e]
in.ogg [out.ogg]
vorbiscomment -w [ -c commentfile | -t “name=value” ] [-q] [-R] [-e]
in.ogg [out.ogg]

DESCRIPTION
vorbiscomment Reads, modifies, and appends Ogg Vorbis audio file meta‐
data tags.

OPTIONS
-a, --append
Append comments.

-c file, --commentfile file
Take comments from a file. The file is the same format as is
output by the the -l option or given to the -t option: one ele‐
ment per line in 'tag=value' format. If the file is /dev/null
and -w was passed, the existing comments will be removed.

-h, --help
Show command help.

-l, --list
List the comments in the Ogg Vorbis file.

-q, --quiet
Quiet mode. No messages are displayed.

-t 'name=value', --tag 'name=value'
Specify a new tag on the command line. Each tag is given as a
single string. The part before the '=' is treated as the tag
name and the part after as the value.

-w, --write
Replace comments with the new set given either on the command
line with -t or from a file with -c. If neither -c nor -t is
given, the new set will be read from the standard input.

-R, --raw
Read and write comments in UTF-8, rather than converting to the
user's character set.

-e, --escapes
Quote/unquote newlines and backslashes in the comments. This
ensures every comment is exactly one line in the output (or
input), allowing to filter and round-trip them. Without it, you
can only write multi-line comments by using -t and you can't
reliably distinguish them from multiple one-line comments.

Supported escapes are c-style "\n", "\r", "\\" and "\0". A back‐
slash followed by anything else is an error.

Note: currently, anything after the first "\0" is thrown away
while writing. This is a bug -- the Vorbis format can safely
store null characters, but most other tools wouldn't handle them
anyway.

-V, --version
Display the version of vorbiscomment.

EXAMPLES
To just see what comment tags are in a file:

vorbiscomment -l file.ogg

To edit those comments:

vorbiscomment -l file.ogg > file.txt
[edit the comments in file.txt to your satisfaction]
vorbiscomment -w -c file.txt file.ogg newfile.ogg

To simply add a comment:

vorbiscomment -a -t 'ARTIST=No One You Know' file.ogg newfile.ogg

To add a set of comments from the standard input:

vorbiscomment -a file.ogg
ARTIST=No One You Know
ALBUM=The Famous Album

TAG FORMAT
See http://www.xiph.org/vorbis/doc/v-comment.html for documentation on
the Ogg Vorbis tag format, including a suggested list of canonical tag
names.

AUTHORS
Program Authors:
Michael Smith
Ralph Giles

Manpage Author:
Christopher L Cheney

SEE ALSO
oggenc(1), oggdec(1), ogg123(1), ogginfo(1)

Xiph.Org Foundation December 30, 2008 VORBISCOMMENT(1)