From: Yaser Sulaiman <yaserbuntu@...>
Date: 2008-11-08T06:20:32+09:00
Subject: Re: Showing a spinner ?

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That library looks interesting. Thanks for sharing, Michael!

Just want to mention that I tried the same code (posted by Rodrigo) under
Windows Vista, and it worked fine without using STDOUT.flush.

Regards,
Yaser

On Fri, Nov 7, 2008 at 3:06 AM, Michael Fellinger <m.fellinger@gmail.com>wrote:

> On Wed, Nov 5, 2008 at 1:22 AM, Rodrigo Bermejo
> <rodrigo.bermejo@ps.ge.com> wrote:
> > Aldric Giacomoni wrote:
> >> How do I show a spinner on the command line interface when a ruby script
> >> is working? I sometimes write things that take a while, and I know I get
> >> impatient when all I see a blinking cursor :)
> >> A spinner has \ | / - all in one spot so it looks like a spinning wheel.
> >>
> >> Thanks!
> >>
> >> --Aldric
> >
> > Here is the idea ..you can make it better..
> >
> > a=["-","\\","|","/"]
> > n=0
> > while 1 do
> >    print a[n % 4]
> >    print "\b"
> >    n+=1
> >    sleep 0.1
> >    puts "..#{n}." if (n % 50==0)
> > end
>
> Just had the same thing lying around to keep ssh alive, not much in
> terms of progress though
> See http://0xcc.net/ruby-progressbar/index.html.en for a full lib that
> handles this problem
>
> sigma ~prog/ruby % cat spinner.rb
> a = %w[ | / - \\ ]
>
> $stdout.sync = true
>
> loop do
>  print a.unshift(a.pop).last
>  sleep 0.1
>  print "\b"
> end
>
>

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