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[SLUG] Re: Script needed
On Thu, Jun 01, 2000 at 03:26:22PM +1000, Adam Kennedy wrote:
> > perl -F: -anle 'print $F[0]' </etc/passwd
> >
> > > perl -e 'print grep { s/^(\w+)\:.*$/$1/; 1; } <>' < inputfile >
> outputfile
> > >
>
> True, but that is a way of applying any arbitrary regex...
> Comes in very handy for doing lots of other things too.
>
> More complicated, but more powerfull.
whereas in awk, the field delimiter (-F option) is already a regex
awk: simpler but more powerful (?)
(down side being: everyone here who uses (eg) "awk -F: '{print $2}'"
to get password fields will screw up on those records that have no
password "user::somethingelse")
--
- Gus
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