From: "Jon R." <lists@...>
Date: 2012-07-05T20:58:44+09:00
Subject: Re: Newbie needs help with parsing a file

Ryan this worked beautifully.  Thank you.  However, I can't seem to get 
why all of the % signs are in the line puts "%s %.1f%%" % [vol, pct * 
100] and what does %s mean?


Ryan Davis wrote in post #1067285:
> On Jul 3, 2012, at 16:54 , Aleksey V Zapparov wrote:
>
>>> second number is used space.  If the comparison is 90% or more, then
>>  next arr if "vol" == str
>>  next arr if 2 > arr.push(str).count
>>
>>  dept, home = arr
>>  puts "#{dept} VS #{home}"
>>
>>  []
>> end
>
> There are many tools in the String toolbox. #scan is often a much more
> powerful tool than #split:
>
> str = "/vol/dept115345K111455K/vol/home1156668K507768K"
>
> str.scan(%r%(/[a-z]+/[a-z]+)(\d+)K(\d+)K%).each do |(vol, quota,
> actual)|
>   pct = actual.to_f / quota.to_f
>
>   next unless pct > 0.9
>
>   puts "%s %.1f%%" % [vol, pct * 100]
> end

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