From: Farrel Lifson <farrel.lifson@...>
Date: 2007-01-29T19:44:19+09:00
Subject: Re: Newbie Basic Command Interpreter Question in Ruby

On 29/01/07, Andrea Maschio <andrea.maschio@gmail.com> wrote:
> Hello Folks, i'm a newbie who desires to implement a basic command
> interpreter written in ruby. Let's say i want to start a new Thread who
> listen to user input
>
>     p=Thread.new{
>     puts "thread started"
>     loop do
>       a=gets.chomp
>
>       exit if (a=="quit\n")
>       puts a
>     end
>
>     }
>
>
> outputs "thread started" and exits
>
> What i'm i doing wrong? Why the tread doesn't continue looping but exits?
> Sorry for the newbie question, i'm just learning ruby.
>
> Thank you very much for answering
>
> Andrea
>

The p thread is started but the main execution thread (which spawned
the p thread) exits the interpreter. You need to add a 'p.join' at the
end which will wait for p to finish before continuing.

Farrel