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Re^3: (Mis)Understanding <c>grep...eq $_<c>

by Marshall (Canon)
on Feb 25, 2009 at 08:22 UTC ( [id://746191]=note: print w/replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/perl -w
use strict;
...
output:
a b c d
a b c d !
  2. or download this
    my $num = grep{1}@a;
print $num; ##prints 5 (num of elements in @a) ie, abcd!

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