[Gllug] parsing command output

[Stuart Sears]

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Tethys wrote:
> Yes indeed. Your use of file descriptor 3 in the above command is 
> unnecessary. You could have just said:
> 
> command 2>&1 >/dev/null

fair enough... the whole file descriptor thing throws me sometimes.
originally, looking at that I would have assumed that would send both stderr
and stdout to /dev/null. but the order changes that, I see...

/me puts his reading specs back on.

>> 2. I am no awk expert (to say the least. I am not even an awk 
>> amateur.), but it is outstanding at pulling out 'random' fields 
>> separated by whitespace. perhaps someone can enlighten me as to how
>>  I make it only print lines 7 and 8?
> 
> command 2>&1 >/dev/null | awk '{ if (NR==7||NR==8) print $4; }'

Thanks

Stuart

- --
Stuart Sears RHCA RHCSS RHCX PEBKAC STFU
"Quit worrying about your health. It'll go away."
- - Robert Orben
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