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Top Forums UNIX for Dummies Questions & Answers Deleting all but a regex using sed, tr, cut etc Post 302550905 by yazu on Sunday 28th of August 2011 01:58:37 PM
Old 08-28-2011
Just output it in another file.
Code:
egrep  -o 'b[0-9a-z]{7}' FILENAME >FILENAME.codes

And then, if you want
Code:
rm FILENAME
mv FILENAME.codes FILENAME

It's possible to do it in one step with sed or perl, but it's not safe.
 

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GNUNET-UNINDEX(1)					      General Commands Manual						 GNUNET-UNINDEX(1)

NAME
gnunet-unindex - a command line interface for deleting indexed files from GNUnet SYNOPSIS
gnunet-unindex [OPTIONS] FILENAME DESCRIPTION
gnunet-unindex is used for deleting indexed files from GNUnet. -c FILENAME, --config=FILENAME use config file (defaults: ~/.gnunet/gnunet.conf) -h, --help print help page -L LOGLEVEL, --loglevel=LOGLEVEL Change the loglevel. Possible values for LOGLEVEL are NOTHING, ERROR, WARNING, INFO and DEBUG. -v, --version print the version number -V, --verbose be verbose NOTES
You can only unindex files that you indexed and that you still have available locally in full. You should use gnunet-unindex on files that you indexed (not inserted) and that you are going to delete or move locally. FILES ~/.gnunet/gnunet.conf GNUnet configuration file REPORTING BUGS
Report bugs to <https://gnunet.org/bugs/> or by sending electronic mail to <gnunet-developers@gnu.org> SEE ALSO
gnunet-fs-gtk(1), gnunet-publish(1), gnunet-search(1), gnunet-download(1), gnunet.conf(5) GNUnet 6 Sep 2009 GNUNET-UNINDEX(1)
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