From: Mohit Sindhwani <mo_mail@...>
Date: 2008-11-04T01:08:09+09:00
Subject: Re: Clean way of pausing a loop?

Kyle Schmitt wrote:
> It's Monday and it's relatively early, so I apologize if this isn't
> worded too well.
>
> Is there a clean way of pausing a loop/printing status every N
> iterations?  I often use ruby to examine log files in a one-off
> fashion, and when dealing with files of 4-10 million lines, this is
> the sort of thing that becomes important.  Small files are, obviously,
> not as big of a deal.
>
> I know I can simply do this, but it doesn't seem clean:
>
> counter=0
> n=100
> foo.each do
> |bar|
>    counter+=1
>    if (counter%n).zero?
>      sleep 0.1
>   end
What's wrong with it?  I can only think that if foo allows 
.each_with_index, you could avoid the counter initialization and 
addition.  Can't think of anything else.

Cheers,
Mohit.
11/4/2008 | 12:09 AM.