From: Robert Klemme <shortcutter@...>
Date: 2008-02-11T21:24:53+09:00
Subject: Re: New user - correct way to think and write code

2008/2/11, Ashley Wharton <ashleywnj@gmail.com>:
> Hi - sorry to belabour the point, but I would appreciate any help or
> guidance that anyone could give relative to the preferred way of writing
> Ruby code. Thanks to some help earlier in the week from ruby-talk and from
> Kastner I now have two additional ways of achieving the same result. I am
> attempting to grasp the concept objects as well as learning ruby. Which
> syntax (or style) should I focus on, or does it not matter. From my limited
> understanding Kastner's example would seem to be a cleaner use of objects,
> (or am I missing the point). Thanks for any help.

...

> With further help from Kastner:
>
> MAX = 100000
>
> def get_number(prompt = "")
>  print prompt
>  # ruby methods return the last value
>  gets.to_i
> end
>
> def print_from_to(start, stop)
>  start.upto(stop) do |number|
>    puts number
>  end
> end
>
> loop do
>  number = get_number "Please enter a number less than #{MAX}: "
>  next if number >= MAX
>  print_from_to(number, MAX)
>  break
> end

As far as I can see you logic is: read user input until it is valid
and then print from input to MAX.  I would remove the printing from
the loop because that is much cleaner.

Kind regards

robert

-- 
use.inject do |as, often| as.you_can - without end