From: Matt Armstrong <matt@...>
Date: 2001-07-20T14:53:30+09:00
Subject: [ruby-talk:18175] Re: Debugging minimalism for newbies (Re:  Re: An exercise in minimalism)

ts <decoux@moulon.inra.fr> writes:

>>>>>> "A" == A Bull in the China Shop of Life <feoh@fourfuzzies.org> writes:
> 
>>> n=$*[0].to_f/2
>>> (0-n..n).each{|x|puts" "*x.abs+"#"*(2*(n-x.abs))}
> 
> [...]
> 
>A> Is there any way to step through this one substatement at a time? When run 
>A> through the Ruby debugger the debugger wants to treat this as like 2 
>A> logical lines which doesn't help :)
> 
>  You can always ask ruby to know what it do
> 
> pigeon% cat b.rb
> require 'iis'
> puts dump
> n=$*[0].to_f/2
> (0-n..n).each{|x|puts" "*x.abs+"#"*(2*(n-x.abs))}
> pigeon% 
> 
> pigeon% ruby b.rb 8
> require("iis")
> puts(dump)
> n = $*[0].to_f / 2
> (0 - n .. n).each do |x|
>    puts((" " * x.abs) + ("#" * (2 * (n - x.abs))))
> end

Where do you get iis?


squeaker% ruby -v
ruby 1.6.4 (2001-06-04) [i686-linux]

squeaker% cat b.rb
require 'iis'
puts dump
n=$*[0].to_f/2
(0-n..n).each{|x|puts" "*x.abs+"#"*(2*(n-x.abs))}

squeaker% ruby b.rb 8
b.rb:1:in `require': No such file to load -- iis (LoadError)
	from b.rb:1