On Monday 12 Jul 2010 17:18:12 Steve Bertrand wrote:
> On 2010.07.09 21:57, Uri Guttman wrote:
> >>>>>> "SB" == Steve Bertrand <st...@ipv6canada.com> writes:
> > SB> On 2010.07.09 21:40, Uri Guttman wrote:
> > >> what input? i see none there. but what you want is either -p or -n.
> > >> both are among the most useful options for perl oneliners. look
> > >> them up in perlrun and pick which one you want.
> >
> > SB> | perl -p -e 's/.*\s+//'
> >
> > you need to test that one liner all by itself by feeding it some of
> > those lines. the regex is very wrong as it will delete the entire line
> > and therefore print nothing. .* matches the whole line before the
> > newline and \s+ matches the trailing newline. if you added the -l option
> > too, it would strip the newline off before regex is run and likely will
> > do what you want. but a better regex is needed. i gotta run so i can't
> > help with that now.
>
> Thanks for the help all, here's what I've come up with:
>
> perl -pe 's/(.*?)\s+//'
Since you're not capturing the first match it should be "(?:.*?)\s+". But here
the clustering is redundant so you can just say "s/.*?\s+//".
Regards,
Shlomi Fish
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