Re: A note on the use of grep [WAS: Re: HELP! My printer won't stop!!]
On (04/01/05 15:14), roberto@familiasanchez.net wrote:
> 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.
Thanks Roberto
I really need to hit that regex tutorial ;)
Regards
Clive
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