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Re^2: (Mis)Understanding <c>grep...eq $_<c>

by ikegami (Patriarch)
on Feb 24, 2009 at 07:09 UTC ( [id://745920]=note: print w/replies, xml ) Need Help??

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  1. or download this
    >perl -le"@a = qw( a b c d ); @b = grep { push(@a,'!') if !$i++; 1 } @
+a; print @b"
abcd
  2. or download this
    >perl -le"@a = qw( a b c d ); for (@a) { push(@a,'!') if !$i++; push @
+b, $_ } print @b"
abcd!

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