From: Gennady Bystritsky <Gennady.Bystritsky@...>
Date: 2006-11-02T09:33:53+09:00
Subject: Re: counter

list-bounce@example.com wrote:
> Pretty new to ruby (and programming but am getting better).
> 
> I am importing data with DBI and I want display and counter as each
> row is imported.  I can get the display to show:
> 
> 1
> 2
> 3
> 4
> 5
> 6
> 7
> 8
> 9
> 10
> etc...
> 
> but I don't want a linebreak after the counter is displayed. I want it
> just to keep refreshing itself, basically.  Am I missing something
> with puts or print or p?  Any ideas?

$stdout.sync = true
20.times do |_counter|
  counter = _counter.to_s
  print counter + "\b" * counter.size
  sleep 1
end

FYI: puts and p both add "\n" to the output if it is not yet there.

Gennady.