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From: cs202216@umbc5.umbc.edu (cs202216)
Newsgroups: comp.lang.pascal
Subject: Re: Redirecting Exec() output
Message-ID: <1991Apr21.182010.19991@umbc3.umbc.edu>
Date: 21 Apr 91 18:20:10 GMT
References: <2435@pdxgate.UUCP>
Sender: newspost@umbc3.umbc.edu (News  posting account)
Organization: University of Maryland Baltimore County
Lines: 36

In article <2435@pdxgate.UUCP> mwizard@eecs.cs.pdx.edu (Craig Nelson) writes:
>
>	OK,OK,OK... I finally found something in TP 6.0 that I couldn't
>figure out.  Supposedly anything you execute from a DOS prompt should
>execute the same from an Exec() call, so long as no direct video memory
>calls are made...  Well, I want to suppress output of a program that
>does not use direct video memory, specificly, UNZIP.EXE .  Now the weird
>part.  Typing:
>
>	UNZIP FOO.ZIP c:\FOODIR > c:nul
>
>from the DOS prompt works like a champ.  But if you use Exec() from the
>DOS unit, and set the parameters like so:
>
>	Exec('UNZIP.EXE','FOO.ZIP c:\FOODIR > c:nul');
>
>and the output is no longer redirected to nul.  It appears on the screen,
>and I assure you it isn't a pretty site in the middle of a TVision program.
>
>Any ideas out there ?
>
>Cheers!, and TIA.
>
> []====================================================================[]
> || Craig R. Nelson                | CCSofD Software Inc.              ||
> || Programmer                     | Beaverton, OR, 97005              ||
> || mwizard@eecs.ee.pdx.edu        | (unlisted on the net)             ||

Try Exec(getenv('COMSPEC'),'/c unzip.exe FOO.ZIP c:\FOODIR > c:nul');


-- 
Program Signature(input,output);
const
	internet = 'cs202216@umbc5.umbc.edu';
	name	 = 'Matt Gove';