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st: Re: Unwanted pause after -shell- in do-file


From   "Michael Blasnik" <michael.blasnik@verizon.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: Unwanted pause after -shell- in do-file
Date   Mon, 14 Feb 2005 16:15:42 -0500

I'm not certain, but I think the proper question might be "why does Windows XP behave this way?" or even "Why does Stata/Transfer behave this way?".

After all, the delay occurs outside of Stata (it is a delay in a winXP command window, not within Stata). The change in behavior after opening and closing an initial window may also have to do with winXP. You might want to try running the same Stata/Transfer command line from a "run" prompt in winXP, outside of Stata, and see if the same problem emerges.

Michael Blasnik
michael.blasnik@verizon.net


----- Original Message ----- From: "Friedrich Huebler" <huebler@rocketmail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, February 14, 2005 4:04 PM
Subject: st: Unwanted pause after -shell- in do-file



I have Stata 8.2 and Windows XP. When I use -shell- to call a
Stat/Transfer command file from a Stata do-file, I get a pause
lasting two to three seconds. During this pause, an empty blue
command window with the title "C:\WINDOWS\System32\cmd.exe" is
displayed. After the pause, the Stat/Transfer command file is
processed and the DOS window closes. Here is the command that causes
the pause:

shell conversion.stc

The pause occurs most of the time I run the do-file, but not always.
I found that I can avoid the pause if I open the DOS window once
before the Stat/Transfer command file is called. With the following
lines in the do-file, the DOS window opens and disappears
instantaneously and the Stat/Transfer conversion proceeds without
pause.

shell exit
shell conversion.stc

I would appreciate any insights into why Stata behaves this way.

Friedrich
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