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<oerjan> learn Postorder is the same as Polish notation, since Post was Polish. Not to be confused with reverse Polish notation.
author HackBot
date Wed, 24 Feb 2016 05:00:04 +0000
parents 7f957c1f4661
children 140e01ef1912
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#!/usr/bin/perl
$_ = (join " ", @ARGV) || `words`; s/^\s+|\s+$//g; print "Hi $_. "; if (/[aeiouyAEIOUY]/) { s/^[^aeiouyAEIOUY]*/H/; } else { s/^./H/; } print "$_.";