c# application doesn't perform batch file command correctly

Question

public void runBatchfile(String batchfilename)
{
   try
   {
      ProcessStartInfo processInfo = new ProcessStartInfo(batchfilename);
      processInfo.UseShellExecute = false;
      Process batchProcess = new Process();
      batchProcess.StartInfo = processInfo;
      batchProcess.StartInfo.CreateNoWindow = true;
      batchProcess.Start();
      batchProcess.WaitForExit();
   }
   catch (Exception r) { }
}

runBatchfile(@"c:\lol.bat");

lol.bat contains these 2 lines

dir c:\ /s /b > c:\filelist.txt
exit

and when I run my code all it does is creating a filelist.txt file, but doesn't actually perform the rest of the command, which does work if I manually insert it into CMD.

Btw I've tried making the extension .cmd and I also tried without the exit command, without any other results.

please help me :)

Have you tried executing CMD.EXE instead, passing /C lol.bat to it as arguments? — Lasse V. Karlsen
– Lasse V. Karlsen, Commented Mar 3, 2011 at 21:38

dandan78 · Accepted Answer · 2011-03-03 21:53:30Z

1

On my Windows 7 64-bit machine with Visual Studio 2010, running this code straight from the IDE doesn't do anything whatsoever.

On a hunch that it might have something to do with permission to write to the root directory of drive C:, I tried running the .exe directly from an Explorer window with admin rights (right-click, Run as Administrator) and that worked.

I'd say it's a permission problem.

Maybe you could redirect the output to a file located elsewhere?

update:

I changed the batch file so that the dir command gets redirected to my desktop and it runs just fine.

edited Mar 3, 2011 at 21:53

answered Mar 3, 2011 at 21:46

dandan78

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1 Comment

Ritch Melton Over a year ago

Yup, you can't do snot on the C:\ root.

apaq11 · Accepted Answer · 2011-03-03 21:36:48Z

0

I've had issues with this as well when calling from C#. The workaround that I usually use is to physically allow it to show the window when running the command. Not sure why this makes a difference but it has worked for me in the past.

answered Mar 3, 2011 at 21:36

apaq11

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