I was just interested in more options.

This is kind of old-school and amounts to the same thing as sticking an  our ($a, $b); statement somewhere, but it's another option: 

>perl -wMstrict -le
"use List::Util qw/reduce/;
 use vars qw($a $b);
 ;;
 print reduce { $a * $b } 1..6;
"
720

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In reply to Re^4: Name "main::a" used only once: possible typo by AnomalousMonk
in thread Name "main::a" used only once: possible typo by szabgab

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