Thread undef aus array löschen (3 answers)
Opened by Gast at 2007-01-31 14:47

pq
 2007-01-31 15:43
#73874 #73874
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[quote=docsnyder,31.01.2007, 14:07]
Code: (dl )
1
2
@arr = ( "", "", "Text 1", undef, "Text 2", undef, "" );
@arr = grep { defined($_) && $_ } @arr;
[/quote]
besser:
@arr = grep { defined $_ && length $_ } @arr;
sonst werden auch eintraege mit einer 0 geloescht.
Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live. -- Damian Conway in "Perl Best Practices"
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