How to call a VBS script from C# managed code

Question

You would think this would be simple... From the command line I can execute

c:\windows\system32\cscript c:\windows\system32\iisext.vbs /ListFile

But when I try it from managed code...

Process proc = new Process();
proc.StartInfo.FileName = @"c:\windows\system32\cscript";
proc.StartInfo.Arguments = @"c:\windows\system32\iisext.vbs /ListFile";
proc.StartInfo.RedirectStandardOutput = true;
proc.StartInfo.UseShellExecute = false;
proc.StartInfo.CreateNoWindow = true;
proc.Start();
proc.WaitForExit();
using (StreamReader sr = proc.StandardOutput) {
...

I get this error:

Input Error: Can not find script file "c:\windows\system32\iisext.vbs"

What am I missing?

Thanks

Can you just do one arg: "c:\windows\system32\iisext.vbs" (without the extra arg after it)? — tgolisch
– tgolisch, Commented Mar 28, 2013 at 18:53
Surely it is because your program runs in 32-bit mode. Change the platform target setting to AnyCPU or use c:\windows\sysnative — Hans Passant
– Hans Passant, Commented Mar 28, 2013 at 19:09
TheGreatCO - Yes, tgolisch - Tried that, Awesome - Tried that — nuander
– nuander, Commented Apr 1, 2013 at 14:47

EricLaw · Accepted Answer · 2013-03-28 20:59:24Z

2

Hans is correct; the problem is almost certainly that you're running in 32bit mode, which means that C:\windows\system32 doesn't point where you think. (Verify by watching file access with Process Monitor).

Use C:\windows\sysnative instead, or compile your app to target AnyCPU.

answered Mar 28, 2013 at 20:59

EricLaw

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1 Comment

awe Over a year ago

Is C:\windows\sysnative automatically redirecting to the right place?

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