From: Ian Macdonald <ian@...>
Date: 2002-06-20T04:01:56+09:00
Subject: Re: in-place editing part two

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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