From: Carlos <angus@...>
Date: 2005-03-16T21:14:15+09:00
Subject: Re: Great Computer Language Shootout

[William James <w_a_x_man@yahoo.com>, 2005-03-15 14.56 CET]
> > William James wrote:
[...]
> > > freq = Hash.new(0)
> > > loop {
> > >     data = (STDIN.read(4095) or break) + (STDIN.gets || "")
> > >     for word in data.downcase!.tr!('^a-z',' ').split

But "a".downcase! => nil ... And the same with most !-methods (they return
nil when nothing was changed).