From: Brian Candler <lists@...>
Date: 2012-08-16T05:49:24+09:00
Subject: Re: string processing

Fosiul Alam wrote in post #1072480:
> but there is a problem , I have modified this as bellow
>
> DATA.each do |line|
>   if line =~ /^Success - new device-id: \((\d+)\)/
>     device_id = $1
>   end
> end
>
> puts #{device_id}
>
> and this does not return anything ..
>
> how can i use the value outside of the loop ??

put:

    device_id = nil

before the loop. It's one of the ruby scoping rules that if you first 
assign to a variable inside a block, it disappears at the end of that 
block.

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