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52 entries, 6 pages |
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if( $array[2] and $array[2] ne '' ){ # mach was wenn $array[2] nicht leer ist... }
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if( defined $array[2] and $array[2] ne '' ){ # mach was wenn $array[2] ein Leerer String ist. }
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if( defined $array[2] and $array[2] ne '' ){
# mach was wenn $array[2] ein Leerer String ist.
}
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#!/usr/bin/perl for( 0, '', undef, 1 ){ if( $_ ){ print "ohne defined: ;;$_;;"; } if( defined $_ ){ print "mit defined: ;;$_;;"; } }
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52 entries, 6 pages |