We're assuming good input anyway, so we can shave another off... 

sub num2ord {
  local $_ = shift;
#          1        2         3         4
# 123456789012346789012345678901234567890
  $_.(qw(0 st nd rd)[/1?.$/g]||th)
}

[download]
Which drops us to 33. 

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

In reply to Re^4: Golf - Ordinal Suffixes by sauoq
in thread Golf - Ordinal Suffixes by sauoq

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