From: Simon Strandgaard <0bz63fz3m1qt3001@...>
Date: 2003-06-27T23:06:48+09:00
Subject: Re: \s in regex

On Fri, 27 Jun 2003 07:36:35 +0000, s moon wrote:

> what I want is to remove beginning and trailing spaces from lines.
> 
> this is a failed try.
> 
> ifile.each { | line |
>   ofile.print line.sub(/^\s+/,"").sub(/\s+$/,"")
> }
> 
> this removes spaces from begin and end of lines
> but it also removes blank lines.
> it seems \s matches \r or \n also.


How about String#strip!   ?

# untested :-)
ifile.each { |line|
   ofile.print line.strip!
}


--
Simon Strandgaard