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Name "main::a" used only once: possible typo

by szabgab (Priest)
on Mar 05, 2013 at 18:24 UTC ( #1021888=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    use strict;
    use warnings;
    
    use List::Util qw/reduce/;
    print reduce { $a * $b } 1..6;
    
  2. or download this
    Name "main::a" used only once: possible typo at x.pl line 6.
    Name "main::b" used only once: possible typo at x.pl line 6.
    
  3. or download this
    use strict;
    use warnings;
    
    print sort {$a <=> $b } 1..6;
    

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