From: Justin Collins <justincollins@...>
Date: 2007-12-04T16:06:35+09:00
Subject: Re: Ruby idiom equivalent to Perl "$asdf = $ARGV[0] || die 'arg required'"?

Giles Bowkett wrote:
> I'm making some command-line utilities easier to use and I was
> wondering if there's a really nice simple Rubyish way to do what I
> used to do with Perl back in the day. All my code in these utils which
> exit and print usage strings in the absence of required command-line
> args is looking kinda clunky to me.
>
>   

Are you saying you _do_ want something like the example you gave?

var = ARGV[0] || raise("Argument required")


-Justin