From: Chris Shea <cmshea@...>
Date: 2007-09-07T05:55:04+09:00
Subject: Re: force output during long process

On Sep 6, 2:00 pm, bwv549 <jtpri...@gmail.com> wrote:
> I'm running a long process and need to give some feedback to the user
> (command line program).  Is there some way to force output at a given
> step of execution?  Many times it seems that the output is spooled and
> then printed to the screen all at once.
>
> e.g.:
>
> # ... inside some_very_long_program
> puts "working..."   # needs to display here and not spool it until
> later
>
> Thanks

To flush the buffer, use $stdout.flush
To not use a buffer at all, use $stdout.sync = true

HTH,
Chris