From: Gavin Sinclair <gsinclair@...>
Date: 2003-09-19T10:20:47+09:00
Subject: Re: Why IO#readlines does'nt accept a Regexp?

On Friday, September 19, 2003, 10:16:02 AM, Sabby wrote:

> Or if word order isn't a concern:

>   cache = {}

>   IO.foreach("myfile") do |line|
>     line.scan(/\w+/).each {|w| cache[w] = 1}
>   end

>   words = cache.keys


Or if you want to use the latest and greatest:

  require 'set'
  
  words = Set.new
  IO.foreach("myfile") do |line|
    line.scan(/\w+/).each { |w| words << w }
  end

Gavin