From: Robert Klemme <shortcutter@...>
Date: 2010-01-20T20:46:45+09:00
Subject: Re: help on a script

2010/1/20 Ruby Newbee <rubynewbee@gmail.com>:
> Thanks all.
> Under all your helps, I finally get the script to work correctly.
>
> def myfind(path=".")
>    Dir.foreach(path) do |f|
>        f = File.join(path,f)
> ##        puts f
>        if File.file? f
>            open(f) do |c|
>                puts "#{f}" unless c.read.scan(/ruby/).empty?

You just need a single match - not all of them.

>            end
>        elsif File.directory? f and File.basename(f) != "." and
> File.basename(f) != ".."
>            myfind(f)
>        end
>    end
> end
>
> myfind

It is easier if you use Find:

require 'find'

Find.find path do |f|
  puts f if File.file?(f) && /ruby/ =~ File.read(f)
end

:-)

http://www.ruby-doc.org/stdlib/libdoc/find/rdoc/index.html

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/