> I was looking at the documentation for chomp and chomp! - and 
> $_ = "now\n"
> p chomp        # => "now"
> p $_           # => "now"
> p chomp "ow"   # => "n"
> p $_           # => "n"

Well, this all seem so right to me. You're expecting "now".chomp("ow") to
return "ow". I can't see the logic. Maybe you expect chomp to return what it
has possibly removed.

The Dave&Andy-version http://dev.rubycentral.com/ref/ref_c_string.html#chomp
says:

  Returns a new String with the given record separator removed 
  from the end of str (if present). 

So it returns what's left of the string "now" removed "ow" from the end
leaves "n".

It doesn't say: "Returns the given record separator if it's removed from the
end of str."

	- Aleksi