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From: ping@cubmol.bio.columbia.edu (Shiping Zhang)
Newsgroups: comp.unix.programmer
Subject: How to determine the destination of standard output?
Message-ID: <1991Feb6.204432.2850@cubmol.bio.columbia.edu>
Date: 6 Feb 91 20:44:32 GMT
Reply-To: ping@cubmol.bio.columbia.edu (Shiping Zhang)
Followup-To: ping@cubmol.bio.columbia.edu (Shiping Zhang)
Organization: Dept. of Biology, Columbia Univ., New York, NY
Lines: 6

I'm not sure if this subject has be discussed before. I want to know
if there is a way to tell within a program where its standard output
goes. More specifically, if the output goes to the terminal screen, or
goes to a pipe, or is redirected into a disk file. Thanks for any info.

-ping