Wscript.Exec from ASP/VBScript -- should I Sleep?

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Wscript.Exec from ASP/VBScript -- should I Sleep?

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Wscript.Exec from ASP/VBScript -- should I Sleep? - 10/1/2005 5:02:04 AM

simonm

Posts: 1
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Joined: 10/1/2005
Status: offline

Hello folks,

I'm hoping you might have some suggestions about the best way to invoke a server-side command line process from within an VBScript ASP page.

I'm using a WScript.Shell object and calling the Exec method on it, as shown in the standard Microsoft documentation -- but I'm having a bit of trouble with the "sleep while running" loop.

I had originally left that loop out, in favor of something more like the following:

However, in testing the server process for that page seemed to hang without completing.

So, I figured I needed to add in the sleep loop described in the MS docs:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/script56/html/wslrfExecMethod.asp

Now we're seeing a new error (VBScript runtime error '800a01a8' Object required: '') reported on the line number containing the WScript.Sleep command:

Can you folks confirm whether this kind of sleep loop is necessary, or whether the stdOut.ReadAll() will block until the process is done?

And is there some additional trick to invoking the Sleep method that I'm missing?

Any help would be appreciated. A relevant section of the source code is included below.

Many thanks,

-Simon