Re: grep & egrep script problem

[Paul Ward]

Unfortunately this does not work as it greps for test2 on the output
of the test1 grep which returns no output.

The command needs to grep for test1 and test2 not either or

On 02/11/06, Cameron Simpson <cs(a)zip.com.au&gt; wrote:
>  On 02Nov2006 08:45, Paul Ward <pnward(a)googlemail.com&gt; wrote:
>  | # ps -fe| awk '{print $8}' | egrep "test1" -e "test2" |echo
> $?
>
>  Maybe this:
>
>    out=`ps -fe| awk '{print $8}' | egrep "test1" | egrep
> "test2"`
>    [ -n "$out" ]
>
>  If any lines get through both greps, $out will not be empty.
>  This we test for.
>
>  Note that this doesn't scale very well to lots of tests. You'll have to
>  do something more sophisticated for lots of tests.
>
>  Cheers,
>  --
>  Cameron Simpson <cs(a)zip.com.au&gt; DoD#743
>  http://www.cskk.ezoshosting.com/cs/
>
>  Men are not hanged for stealing horses, but that horses may not be stolen.
>          - Lord Halifax, Works
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