From: Todd Holloway <todd@...>
Date: 2002-06-20T04:08:35+09:00
Subject: Re: in-place editing part two


thanks...I had tried that, but I forgot the "!" in the previous line.

todd

On Thu, Jun 20, 2002 at 04:01:56AM +0900, Ian Macdonald wrote:
> On Thu 20 Jun 2002 at 03:54:38 +0900, Todd Holloway wrote:
> 
> > what if one needed to make several changes through out the file?
> > 
> >  ARGV.replace(['Makefile'])
> >  ARGF.each_line do |line|
> >    print line.sub(/blah1/, "blah2")
> >    print line.sub(/blah3/, "blah4")
> >  end
> > 
> > this seems to give me the correct substitutions...but twice as
> > many lines :)
> 
> Just avoid the first print:
> 
> ARGV.replace(['Makefile'])
> ARGF.each_line do |line|
>   line.sub!(/blah1/, "blah2")
>   print line.sub(/blah3/, "blah4")
> end
> 
> 
> Ian
> -- 
> Ian Macdonald               | Men of quality are not afraid of women for 
> ian@caliban.org             | equality. 
>                             | 
>                             | 
>                             | 

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