From: "F. Senault" <fred@...>
Date: 2007-07-20T19:09:59+09:00
Subject: Re: Is there a replacement for sub?

Le 20 juillet � 11:12, Pe�a, Botp a �crit :

> a.sub! will modify a. so, do NOT use a=a.sub!, it's NOT right.  
> just use plain a.sub!. ruby has already simplified it, do not make 
> it simpler :)

And, while you're at it, depending on the situation, sub! returning nil
may be quite useful :

a = "a b c d e f"
for i in 1..1_000
  break unless a.sub!(' ', '')
end

(I.e. breaking if there is nothing else to substitute, instead of
looping 995 times for nothing.)

Fred
-- 
Close the shop, let's take a drive              Take a break from 9 to 5
It's so great to be alive, oh yeah      We could rent some roller skates
We could skate around the lake
If we don't know how, we'll fake it, oh yeah         (Prince, Strollin')