Grep without having it show its own process in the results

ps aux | grep "[s]ome_text"
The trick here is to use the brackets [ ] around any one of the characters of the grep string. This uses the fact that [?] is a character class of one letter and will be removed when parsed by the shell. This is useful when you want to parse the output of grep or use the return value in an if-statement without having its own process causing it to erroneously return TRUE.
Sample Output
$ ps aux | grep "crond"
root      2638  0.0  0.0   1912   640 ?        S     2008   0:10 /usr/sbin/crond -l10
siegex    6312  0.0  0.0   2084   636 pts/0    R+   19:42   0:00 grep crond

$ ps aux | grep "[c]rond"
root      2638  0.0  0.0   1912   640 ?        S     2008   0:10 /usr/sbin/crond -l10

12
By: SiegeX
2009-02-17 02:10:50

What Others Think

This was already added
leper421 · 539 weeks ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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