Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!cmcl2!kramden.acf.nyu.edu!brnstnd
From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein)
Newsgroups: comp.unix.programmer
Subject: Re: How do I keep a pipe from buffering I/O?
Message-ID: <13986:Feb2706:35:0491@kramden.acf.nyu.edu>
Date: 27 Feb 91 06:35:04 GMT
References: <1585@gufalet.let.rug.nl> <1991Feb27.014643.7915@convex.com>
Organization: IR
Lines: 13

In article <1991Feb27.014643.7915@convex.com> tchrist@convex.COM (Tom Christiansen) writes:
> : How do I force the pipes to pass on text one line at a time?
> You must have control of the program that's doing the output.  If you
> don't have that program's source code, you're out of luck.

Uh, no. On BSD machines you just run ``pty program'' instead of
``program'', and if ``program'' uses stdio it will buffer as if it were
talking to a tty. This solves the problem at hand.

If you don't have the program's source code, and you're using System V,
you're out of luck.

---Dan