From: sto.mar@...
Date: 2012-11-23T05:24:54+09:00
Subject: Re: how to increase variable inside the while loop

Am 22.11.2012 09:01, schrieb Robert Klemme:
> On Wed, Nov 21, 2012 at 11:36 PM, Ferdous ara <lists@ruby-forum.com> wrote:
>> Hi, my question might be confusing as its hard for me to make it clear,
>
> Chances are that if you understand what you want the solution will
> come much easier. :-)
>
>> what i want is , something like bellow
>>
>>   $i = 1
>>    $num = linecount.to_i + 1
>>    #$faulty_count = 0
>>    while $i < $num do
>>          current-#{i} = current_result["#{server_name}-#$i"]["usable"]
>>
>>          puts current-#{i}     --------------
>>      $i +=1
>>    end

You have no reason to make `i' and `num' global variables, so don't.

>> Basically ,
>> i want to store value of current_result["#{servername}-#$i"]["usable"]
>> in to a variable (incremental variable )
>
> As others have said: store in an Array.  I don't know what
> current_result refers to but it looks like something like this could
> work:
>
> current_first = linecount.times.map {|i|
> current_result["#{server_name}-#{i + 1}"]["usable"]}

Probably easier to grasp for a beginner:

current_first = []
linecount.times do |i|
   current_first << current_result["#{server_name}-#{i + 1}"]["usable"]
end

>> So after this, i wanted to do like this
>>
>> current-#{i} == current-#{j}
>
> Assuming we have current_first and current_second then you could just do
>
> current_first == current_second


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