Very nice. Here's my 40 chars... It runs under strict, anyway... 

 
sub num2ord {
  local $_ = shift;
#          1        2         3         4         5         6         
+7
# 12345678901234678901234567890123456789012345678901234567890123456789
+0
  $_.qw(th st nd rd)[/(?<!1)([123])$/*$1]
}

[download]
And, combining ours can get us down to 35... 

-sauoq
"My two cents aren't worth a dime.";

In reply to Re^2: Golf - Ordinal Suffixes by sauoq
in thread Golf - Ordinal Suffixes by sauoq

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