From: Brian Candler <b.candler@...>
Date: 2009-08-19T17:24:37+09:00
Subject: Re: Relative Path in ruby - for File open

Ben Giddings wrote:
> On Aug 19, 2009, at 01:02, Shekar Ls wrote:
>> In the above mentioned example, i want config.txt to be accessed from
>> the current path whichever user runs it.
> 
> By "current path" do you mean executable path or the current working
> directory of the script?
> 
> If you mean the current working directory (i.e. ENV['PWD']) everything
> should work as you expect.  Just do File.open("config.txt")

And if you mean the directory in which the script is located, then

  AppRoot = File.expand_path(File.dirname(__FILE__))

  File.open(File.join(AppRoot, "config.txt")) do |source|
    ..
  end
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