From: 7stud -- <bbxx789_05ss@...>
Date: 2011-03-12T07:57:50+09:00
Subject: Re: Is an elsif loop possible?

Devin Rawlek wrote in post #986991:
> Thank you Steve. That was exactly what I needed.
>
> This works perfectly.
>
> $Str = gets.chomp
> $Str.to_i < 0

What is that line for?  As written it does nothing: the comparison 
evaluates to either true or false and then the value is discarded.

>   until $Str.to_i > 0


Note that any until loop can be written as a while loop:

while $Str.to_i <= 0

and while loops are much clearer in meaning.

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