From: Joel VanderWerf <vjoel@...>
Date: 2002-02-17T12:14:31+09:00
Subject: Re: Hi, this code...

Jeff wrote:
> 
> Hi, this code:
> 
> text0 = "One $BLAH Three"
> text1 = "One @BLAH Three"
> text0.sub!("$BLAH", "Two")
> text1.sub!("@BLAH", "Two")
> print text0,"\n"
> print text1,"\n"
> 
> produces this output:
> 
> One $BLAH Three
> One Two Three
> 
> Is the '$' meant to be special at runtime like this?

Yes, because the first arg to sub! is always used as a regex, even if
it's in quotes.

 "foo".sub ".", "g"
 # ==> "goo"

I've tripped up on that more times than I like to say ...

--
Joel VanderWerf                          California PATH, UC Berkeley
mailto:vjoel@path.berkeley.edu                     Ph. (510) 231-9446
http://www.path.berkeley.edu                       FAX (510) 231-9512