From: nobu.nokada@...
Date: 2002-06-19T08:22:09+09:00
Subject: Re: in-place editing

Hi,

At Wed, 19 Jun 2002 07:31:53 +0900,
Ian Macdonald wrote:
> I'm trying to figure out why the following code chunk fails to edit my
> file in-place:
> 
> $-i = '.foo'                   # set in-place edit mode
> mf = File.open('Makefile', 'r+')
> mf.each_line do |line|
>   line.sub!(/-l\$\(RUBY_INSTALL_NAME\) /, "")
> end
> mf.close

Inplace edit works for ARGF.

ARGV.replace(['Makefile'])
ARGF.each_line do |line|
  print line.sub(/-l\$\(RUBY_INSTALL_NAME\) /, "")
end

-- 
Nobu Nakada