Re: Jak wyciagnac linie z pliku?

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Article #51903

#51903

From: hubert depesz lubaczewski
Date: Thu, 20 May 2010 17:11

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On 2010-05-20, lrem@localhost.localdomain <lrem@localhost.localdomain> wrote:
> #v+
> perl -e 'use strict; use warnings FATAL => qw( all ); my $previous=""; while (<STDIN>) { chomp; print $previous . "\n" if (/vert/); $previous=$_; }'
> #v-

jednolinijkowce sie krótkie pisze:

perl -e '$p=<>;while(<>){/vert/&&print$p;$p=$_}'

depesz

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<slrnhv9krv.q2.tomjas@krusty.localdomain> <ht2lp9$uan$1@solani.org> <slrnhv9nc7.6re.tomjas@krusty.localdomain> <ht2mkt$uan$2@solani.org> <slrnhv9pgv.7eh.tomjas@krusty.localdomain> <ht2slh$djl$1@solani.org> <slrnhva99s.hu6.tomjas@krusty.localdomain> <slrnhva9ub.5je.fenio@serwer.fenski.pl> <slrnhvabsv.bur.lrem@localhost.localdomain>

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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.rmf.pl!agh.edu.pl!news.agh.edu.pl!news.onet.pl!depesz.com!not-for-mail
From: hubert depesz lubaczewski <depesz@depesz.com>
Newsgroups: pl.comp.lang.perl
Subject: Re: Jak wyciagnac linie z pliku?
Date: Thu, 20 May 2010 17:11:27 +0000
Organization: depesz Software
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Message-ID: <v27gc7-558.ln1@depesz.com>
References: <slrnhv9krv.q2.tomjas@krusty.localdomain> <ht2lp9$uan$1@solani.org> <slrnhv9nc7.6re.tomjas@krusty.localdomain> <ht2mkt$uan$2@solani.org> <slrnhv9pgv.7eh.tomjas@krusty.localdomain> <ht2slh$djl$1@solani.org> <slrnhva99s.hu6.tomjas@krusty.localdomain> <slrnhva9ub.5je.fenio@serwer.fenski.pl> <slrnhvabsv.bur.lrem@localhost.localdomain>
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