From: Vladimir <pironim@...>
Date: 2012-04-04T21:36:34+09:00
Subject: Re: Newbie loops question

On 04/04/2012 02:26 PM, Bryan Bales wrote:
> I am learning Ruby as my first programming language using the excellent
> tutorial by Chris Pine http://pine.fm/LearnToProgram/
>
> Everything was going well until I tried to write a simple program to
> print out the 99 bottles of beer on the wall song. Here is my code.
>
> int = 99
> while int != 1
>    puts int.to_s + ' bottles of beer on the wall, ' + int.to_s + '
> bottles of beer'
>    int.to_i - 1
>    puts 'Take one down, pass it around, '+int.to_s + ' bottles of beer on
> the wall'
> end
>
> When I run this, I get into a loop of 99. It never subtracts one. I have
> figured out all the other programs that you are to try, but for some
> reason the problem in this is escaping me. Any help will be greatly
> appreciated.
>
> Thanks.
>
like for me int.to_i - 1 does operation but do not handle result
try:
  int = int -1