From: Ilias Lazaridis <ilias@...>
Date: 2011-06-04T00:35:36+09:00
Subject: Re: CORE - Replace "if __FILE__ == $0" with "executed?"

On 3 Éïýí, 17:17, Chuck Remes <cremes.devl...@mac.com> wrote:
> On Jun 3, 2011, at 9:05 AM, Ilias Lazaridis wrote:
> > Using several constructs I saw, I came up with this one:
>
> > #mylib.rb
> > module Kernel
> >  def executed?
> >    re = /<(.*?)>/        # ? non-greedy, stops on first match
> >    caller.to_s.match re  # matches first text within <> in call-stack
> >    #print caller.to_s
> >    return $1 == "main"   # first match was "main" means "executed"
> >  end
> > end
>
> > if executed?
> >  print "EXEC mylib\n"
> > end
>
> > #mytest.rb
> > require_relative 'mylib'
>
> > if executed?
> >  print "EXEC mytest\n"
> > end
>
> > #maintest.rb
> > require_relative 'mylib'
> > require_relative 'mytest'
>
> > if executed?
> >  print "EXEC maintest\n"
> > end
>
> > -
>
> > ruby mylib.rb => EXEC mylib
> > ruby mylib.rb => EXEC mytest

correction:

ruby mytest.rb => EXEC mytest

> > ruby maintest.rb => EXEC maintest
>
> > -
>
> > I still dislike this solution, as it's not clean.
>
> What isn't "clean" about it?
[...]

I am criticising myself.

My implementation is not "clean", as it depends on the call stack /
regex.

.

--
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