From: William James <w_a_x_man@...>
Date: 2007-10-06T00:00:04+09:00
Subject: Re: replace a text in base directory

On Oct 5, 7:33 am, 7stud -- <dol...@excite.com> wrote:
> Pokkai Dokkai wrote:
> > how can replace a text from all files in
> > "/home/user" directory and sub directories (tree)...
>
> Try this:
>
> Dir.glob('/Users/me/2testing/dir2/**/*') do |fname|
>   next if File.directory?(fname)
>
>   File.open("temp.txt", "w") do |temp_file|
>     IO.foreach(fname) do |line|  #fname is from outer loop
>       new_line = line.gsub("hello world", "goodbye")
>       temp_file.print(new_line)
>     end
>
>     File.delete(fname)
>     File.rename("temp.txt", fname)
>   end
> end

This botched code bombs.  Don't ever post untest code without
stating that it is untested code.