anne001 wrote:
> I get an error message.
> env: ruby: No such file or directory
> With other attempts I get other errors.
>
>   
This particular error has nothing to do with webrick. What is happening 
is that the /usr/bin/env command cannot find ruby in it's path. The 
first thing to try would be to replace

#!/usr/bin/env ruby

With 

#!/usr/bin/ruby 

Or where ever your ruby image is (try 'which ruby' to find out).