From: Chris Hulan <chris.hulan@...>
Date: 2008-02-07T15:40:01+09:00
Subject: Re: how to say # in ruby

On Feb 6, 3:45 pm, Tim Hunter <rmag...@gmail.com> wrote:
> Gerry Ford wrote:
...
> I would've guessed that it didn't matter, but I tried
>
> #! garbage
>
> and was also surprised to learn Ruby terminates the program with the
> message "test.rb:1: Can't exec garbage (fatal)".
>
> So I looked at the source code. In the load_file() function in ruby.c,
> there is code that inspects the first line in the script. If it starts
> with "#!" then the line must also contain the word "ruby". If it
> doesn't, then Ruby calls execv() to run the "program" that it assumes
> follows the #!. When execv() fails, Ruby terminates the program.
>
...

Thanks, that is interesting