From: Robert Klemme <bob.news@...>
Date: 2006-03-11T21:58:44+09:00
Subject: Re: An Array of grep Results?

Nathan Olberding <nathan.olberding@gmail.com> wrote:
> I want to search all the files in a directory for a string and save
> the results in an Array. So far, the best solution I can come up with
> is using system("grep ... > resultsFile"), then opening resultsFile
> and doing readlines(). There's a better way, isn't there?

# untested
found = {}
Dir["/foo/*"].each {|f| found[f] = File.open(f) {|io| 
io.grep(/your_string/)} }

This should give you a hash with file names as keys and match lines as 
values.

Kind regards

    robert