From: Todd Benson <caduceass@...>
Date: 2008-03-19T20:49:51+09:00
Subject: Re: using system to echo "hello world" gives SystemStackError

On Wed, Mar 19, 2008 at 5:29 AM, Thufir <hawat.thufir@gmail.com> wrote:
> On Wed, 19 Mar 2008 20:13:43 +0900, Todd Benson wrote:
>
>  > I don't know anything about compile.  But with #system, I think you are
>  > supposed to have the parameter in quotes.
>  >
>  > Right now, your function is recursive with no exit.
>
>
>  Yes, I'm kinda sorry that I posted that question.  It's always like that,
>  if I didn't post it then I would've spent a long time figuring it out,
>  but if I post then I often get it fixed fairly quickly!
>
>  Please do comment on the "right" way to do this, keeping in mind that
>  it's partly a way of learning ruby:
>
>
>
>
>  thufir@arrakis:~/sun_tutorial$
>  thufir@arrakis:~/sun_tutorial$ cat build.rb
>  require 'clean'
>  require 'compile'
>  require 'run'
>
>
>  clean
>  compile
>  run
>  thufir@arrakis:~/sun_tutorial$
>  thufir@arrakis:~/sun_tutorial$ cat clean.rb
>  def clean
>         puts "cleaning all class files..."
>
>         system("rm *.class -fv")
>
> end
>  thufir@arrakis:~/sun_tutorial$
>
> thufir@arrakis:~/sun_tutorial$ cat compile.rb
>  def compile
>         puts "compiling..."
>         system("javac HelloWorldApp.java")
>
> end
>  thufir@arrakis:~/sun_tutorial$
>  thufir@arrakis:~/sun_tutorial$ cat run.rb
>  def run
>         puts "running..."
>         system("java HelloWorldApp")
>
> end
>  thufir@arrakis:~/sun_tutorial$
>  thufir@arrakis:~/sun_tutorial$ ruby build.rb
>  cleaning all class files...
>  removed `HelloWorldApp.class'
>  compiling...
>  running...
>  Hello World!
>
>
> thufir@arrakis:~/sun_tutorial$
>
>
>
>
>
>
>  thanks,
>
>  Thufir

Looks just fine.

I'm not sure, but if all your required files are to solely work with
cleaning and building code, then maybe they should sit inside a module
in one file.

Just a thought.

Obviously, every person has their own best way to approach it.

Todd