From: James Edward Gray II <james@...>
Date: 2005-10-10T07:01:27+09:00
Subject: Re: HighLine Issue (was Re: Lisp Game (#49))

On Oct 6, 2005, at 4:11 PM, Markus Koenig wrote:

> Hello James,
>
> I really appreciate your and Greg's work. It's nice to see what can
> evolve from a simple quiz idea. :)

Thanks for the kind words.

>> I'm very interested in understanding this problem and fixing it
>> correctly.  Could you please show a trivial HighLine script and how
>> you are trying to use it, so I can wrap my head around this?
>>
>
> I think HighLine's methods should either raise EOFError or return nil
> if EOF is reached, but I'm not sure which one would be nicer. Maybe a
> hybrid approach, like IO#gets and IO#readline?
>
> The trivial script, if the methods return nil:
>
>     require 'highline/import'
>     loop do
>         name = ask("What's your name?")
>         if response.nil? or response == 'exit'
>             puts 'Goodbye, dear friend.'
>             exit
>         else
>             puts "Hello, #{name}!"
>         end
>     end
>
> I expect this program to behave like most Unix shells - quietly quit
> when one presses Ctrl-D (EOF). But this would print a stack trace, as
> shown earlier.

I've added this to our TODO.  It will be addressed in the next  
version of HighLine.

James Edward Gray II