From: Eric Hodel <drbrain@...7.net>
Date: 2007-02-01T04:09:34+09:00
Subject: Re: proper usr/bin/env ruby shebang

On Jan 31, 2007, at 08:45, Rob Sanheim wrote:
> I'm trying to convert some bash scripts to use /usr/bin/env ruby
> instead of hardcoded shebang lines, and running into an issue.  Using
> this:
>
> #!/usr/bin/env ruby -w
>
> results in this error:
>
> /usr/bin/env: ruby -w: No such file or directory
>
> If I remove the -w, it runs and works fine.   But of course, I want
> the warnings check in there...

Linux's env/shebang is broken, so you can't use the shebang this  
way.  It decides "ruby -w" is the name of the thing you want to  
lookup, and of course env can't find that because there isn't one.