From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Dokos <nicholas.dokos@hp.com>
Subject: Re: A bit more feedback on org-publish-all
Date: Mon, 06 Feb 2012 10:27:53 -0500
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In-Reply-To: Message from pinard@iro.umontreal.ca (=?us-ascii?Q?=3D=3Futf-?=
	=?us-ascii?Q?8=3FQ=3FFran=3DC3=3DA7ois=3F=3D?= Pinard)
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	=?us-ascii?Q?ois=3F=3D?= Pinard <pinard@iro.umontreal.ca>
Cc: nicholas.dokos@hp.com, emacs-orgmode@gnu.org

Fran=C3=A7ois Pinard <pinard@iro.umontreal.ca> wrote:

> ...=20
> This is more similar to my actual usage, which really is:
>=20
>         [...]
>         write =3D sys.stderr.write
>         for line in os.popen('emacs 2>&1 -batch'
>                              ' -l ~/fp/notes/publish.el'
>                              ' -f org-publish-all'):
>             write(repr(line) + '\n')
>             sys.stderr.flush()
>             [...]
>=20
> The write(...) and the flush() are only there for debugging: I wanted to
> see if the lines are delivered timely or not (and I'm seemingly getting
> the Emacs output in one blow).  I just do not understand why the
> behavior differs between the "... | cat" line and the Python excerpt.
> I'm surely missing something somewhere...  Sigh!
>=20

I would recommend that you chuck the obsolete os.popen() permanently and
learn the subprocess module: you will be much happier. Setting bufsize=3D0
(which is the default) should give you unbuffered output from the process.

Nick