Subj : redirection of stdout.
To   : Winston Smith
From : Jasen Betts
Date : Tue Mar 26 2002 06:18 am

From: Jasen.Betts@p42.f531.n640.z3.cereal.mv.com (Jasen Betts)
Subject: redirection of stdout.

Hi Winston.

24-Mar-02 15:05:46, Winston Smith wrote to Jasen Betts


 >>> (4dos/msdos:)  is there a way (using 4dos) to detect from inside a
 >>> batch file if stdout has been redirected (to a file/pipe).

 WS>> Under MS-DOS using a pipe creates a temporary file in your
 WS>> designated temporary directory that uses three dollar/currency
 WS>> signs as a naming convention. It would be fairly easy to scan for
 WS>> that.

 WS> -> so how do I access the name?

 WS> I believe it is <disk-letter>:<temp-path><wildcard>.$$$ for
 WS> example, C:\TMP\*.$$$ or C:\WINDOWS\TEMP\*.$$$

sounds flakey looking for that  %temp%\*.$$$  could be a file made by
another process, even one that crashed. and there's no way to tell if it's
being used to redirect inout or output.




 -=> Bye <=-
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