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From: jbn@glacier.STANFORD.EDU (John B. Nagle)
Newsgroups: comp.unix.wizards
Subject: system(III) performance
Message-ID: <17162@glacier.STANFORD.EDU>
Date: Mon, 17-Aug-87 00:27:18 EDT
Article-I.D.: glacier.17162
Posted: Mon Aug 17 00:27:18 1987
Date-Received: Mon, 17-Aug-87 05:14:07 EDT
Organization: Stanford University
Lines: 9
Keywords: SYSTEM, library


      Does system(III) still invoke a shell for all requests, or does
it scan the string for shell characters and invoke the program directly
if none are found?  

      Make(I), incidentally, does make such a check, and no one has 
complained yet, so this is probably a valid optimization.

					John Nagle