Subj : redirection of stdout.
To   : Winston Smith
From : Jasen Betts
Date : Mon Mar 25 2002 10:18 pm

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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 * Origin: Don't believe everything you hear or anything you say (3:640/531.42)

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