A note on the use of grep [WAS: Re: HELP! My printer won't stop!!]
Quoting Clive Menzies <clive@clivemenzies.co.uk>:
> On (04/01/05 18:17), Vegard Lundby Rekaa wrote:
> > This is the output of the command
> >
> > $ ps aux | grep lpr
> >
> > hjem:~# ps aux | grep lpr
> > root 1401 0.0 0.3 1828 684 pts/1 R+ 18:03 0:00 grep lpr
> > hjem:~#
> >
> > Is this the orinterjob I want to cancel, and what is the ProcessID?
>
> No. This is the grep process you just ran. The Process ID is 1470.
> So it would appear that lpr is not running.
>
A quick note. If you are grepping the output of a ps command, enclose the
first character of your regexp in square brackets. For example:
ps aux | grep [l]pr
This still lists all the processes that contain the string "lpr", but it
will not match the grep process itself anymore.
-Roberto Sanchez
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