On 2010.07.12 10:31, Shlomi Fish wrote: > 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+//".
Agreed. Along with the erroneous '$' in my egrep, the parens should have been stripped off, as I was trying to bundle things for ease of personal viewing/testing. *sigh* Thanks Shlomi, I forgot completely about ?: Thankfully, I'm not a Perl Hacker, so I can claim ignorance ;) Cheers all, Steve -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
