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Full Discussion: text manipulation
Top Forums UNIX for Dummies Questions & Answers text manipulation Post 302208578 by rajkishore on Tuesday 24th of June 2008 09:30:09 AM
Old 06-24-2008
May be a regexpression

May be a regexpression can do it easily.

A command like:

grep expression textfile.txt | tee newfile.txt

where expresion will say list me all lines which has 'a:' or 'b:' in it and now the newfile.txt will have all my interested lines.

with the parent names below their child names
{I some how have to get rid of the extra text like blah blah }

Can you point me how the regexpression should be like
 

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VORBISCOMMENT(1)						   Vorbis Tools 						  VORBISCOMMENT(1)

NAME
vorbiscomment - edits Ogg Vorbis comments SYNOPSIS
vorbiscomment [-l] file.ogg vorbiscomment -a [ -c commentfile | -t "tag=value" ] [-q] in.ogg [out.ogg] vorbiscomment -w [ -c commentfile | -t "tag=value" ] [-q] in.ogg [out.ogg] DESCRIPTION
vorbiscomment reads, modifies, and appends Ogg Vorbis audio file metadata tags. OPTIONS
-a Append comments. -c commentfile Take comments from a file. The file is the same format as is output by the the -l option: one element per line in 'tag=value' for- mat. -h Show command help. -l List the comments in the ogg vorbis file. -q Quiet mode. No messages are displayed. -t 'tag=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 Replace comments with the new set given either on the command line with -t or from a file with -c. 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 statisfaction] 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 SEE ALSO
See http://xiph.org/ogg/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 <msmith@xiph.org> Ralph Giles <giles@xiph.org> Manpage Author: Christopher L Cheney <ccheney@debian.org> Xiph.org Foundation December 24, 2001 VORBISCOMMENT(1)
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