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Abusing Map

by writch (Sexton)
on May 16, 2018 at 16:34 UTC ( [id://1214667]=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    for (my $i=0;$i<@a;++$i){
    $b[$i] = $a[$i] - $a[$i+1];
}
  2. or download this
    @b = map{$_ - $_+1}, @a;

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