From: Joe Van Dyk <joevandyk@...>
Date: 2005-10-14T08:53:50+09:00
Subject: Re: Buffering problems

On 10/13/05, Joe Van Dyk <joevandyk@gmail.com> wrote:
> On 10/13/05, Ara.T.Howard <Ara.T.Howard@noaa.gov> wrote:
> > On Fri, 14 Oct 2005, Joe Van Dyk wrote:
> >
> > > I'm trying to redirect stdout and stderr of a program to a log file.
> > >
> > > So, I'm doing something like:
> > >
> > > $stdout.sync = true
> > > $stderr.sync = true
> > > $stdout.reopen File.open(some_log_file, "w")
> > > $stderr.reopen File.open(some_log_file, "w")
> > >
> > > exec 'program'
> > >
> > > Standard out and error are being redirected to the log file, but they
> > > are being buffered.
> > >
> > > Any ideas on why that might be?
> >
> > did you mean
> >
> >    $stdout.reopen File.open(some_log_file, "w")
> >    $stderr.reopen File.open(some_log_file, "w")
> >    $stdout.sync = true
> >    $stderr.sync = true
>
> No.  Why would the ordering make a difference?

And switching putting the sync calls after the reopen didn't seem to
make a difference.