[bcn-pm] Expresiones regulares.
Alex Muntada
alexm at cpan.org
Tue Apr 12 04:06:17 PDT 2005
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* TooManySecrets <toomany at toomany.net>:
[2005-04-12 11:52:09 +0200]
> > perl -pe '$_=(join " ",(split /\s+/)[reverse 0..4])."\n"'
>
> Me miraré qué hace para intentar comprenderlo antes de usarlo.
@columnes = 0 .. 4; # d'1 a 5 però des de 0
@senmuloc = reverse @columnes; # columnes invertides
while (<>) {
@elements = split /\s+/, $_; # $_ és opcional
$sortida = join " ", @elements[@senmuloc];
print $sortida, "\n";
}
- --
Alex Muntada <alexm at alexm.org>
http://alexm.org/
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