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Re^3: 2 newby questions

by SuicideJunkie (Priest)
on Jun 14, 2012 at 13:47 UTC ( #976212=note: print w/ replies, xml ) Need Help??


in reply to Re^2: 2 newby questions
in thread 2 newby questions

The effects do vary in some cases, since ++ is smarter than it looks.

use strict; use warnings; my $index = 'AH'; $index++; print "++ gives $index\n"; $index += 1; print "+= gives $index\n";

Results in:

++ gives AI Argument "AI" isn't numeric in addition (+) at test.pl line 7. += gives 1


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