running commands in cmd using C#

Question

I want to run a cmd and run some command in it. I wrote this code:

Process p = new Process();
ProcessStartInfo info =new ProcessStartInfo();

info.FileName = "cmd.exe";
info.WorkingDirectory = this.workingDirectory;
info.RedirectStandardInput = true;
info.UseShellExecute = false; 
info.CreateNoWindow = true;
p.StartInfo = info;

var x=p.Start();
using (StreamWriter sw = p.StandardInput)
{
    if (sw.BaseStream.CanWrite)
    {
        sw.WriteLine(@"set path=c:\temp"+ ";%path%");
        sw.WriteLine(@"@MyLongproces.exe");
    }
}

But it doesn't work:

I can not see command window (even when I set info.CreateNoWindow to false).
My command is not running.

What is the problem? and how can I fix it?

Update1

This code doesn't work:

  string binDirectory = Path.Combine(FileSystem.ApplicationDirectory, this.binFolderName);
  ProcessStartInfo info = new ProcessStartInfo("cmd", @"/c " + Path.Combine(binDirectory, command));
  info.RedirectStandardInput = false;
  info.RedirectStandardOutput = true;
  info.UseShellExecute = false;
  info.CreateNoWindow = false;
  System.Diagnostics.Process proc = new System.Diagnostics.Process();
  proc.StartInfo = info;
  proc.Start();
  string result = proc.StandardOutput.ReadToEnd();

No cmd window is shown and result it "".

But this code works:

     Process.Start(Path.Combine(binDirectory, command));

The problem with above code is:

I can not define the working directory.
It shows a CMD window when I don't want it to show.

Any idea why it is not working?

If you only want to open a directory, you can start a process with the directory path, you don't need to exec cmd in order to do it. — Moondustt
– Moondustt, Commented Apr 16, 2013 at 16:23

CloudyMarble · Accepted Answer · 2013-04-16 12:16:37Z

1

You are setting the CreateNoWindow option:

info.CreateNoWindow = true;

ProcessStartInfo.CreateNoWindow - true if the process should be started without creating a new window to contain it; otherwise, false. The default is false.

edited Apr 16, 2013 at 12:16

answered Apr 16, 2013 at 12:11

CloudyMarble

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Comments

metalhead · Accepted Answer · 2013-04-16 12:11:04Z

0

You still need to tell your process what command you want to run. In this case, it sounds like you want it to start cmd.exe

answered Apr 16, 2013 at 12:11

metalhead

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Moondustt · Accepted Answer · 2013-04-16 12:13:19Z

0

Try that:

Before

 p.StartInfo = info;

Insert

info.Arguments = "/c ping www.google.com.br"; //command here

answered Apr 16, 2013 at 12:13

Moondustt

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Comments

danish · Accepted Answer · 2013-04-16 12:21:21Z

0

I guess you are trying to run MyLongProcess.exe here. If yes, there is no need to launch command prompt. You can try the following:

//Create process info and set arugments here and then assign it to process object
// If the exe does not expect any arguments, simply use line below
Process process = Process.Start("MyLongProcess.exe");

answered Apr 16, 2013 at 12:21

danish

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Patrick D'Souza · Accepted Answer · 2013-04-16 12:25:24Z

0

You could try this

//Get the paths list and add your custom path to it
string paths = System.Environment.GetEnvironmentVariable("PATH") + @";C:\temp";

//Create a array consisting of all the paths
string[] pathArray = paths.Split(';');

//Search the paths for the first path in which your exe is present
string exePath = pathArray.Select(x => System.IO.Path.Combine(x, "MyLongproces.exe"))
                          .Where(x => System.IO.File.Exists(x))
                          .FirstOrDefault();

if (string.IsNullOrWhiteSpace(exePath) == false)
{
    //start your exe
    System.Diagnostics.Process.Start(exePath);
}

answered Apr 16, 2013 at 12:25

Patrick D'Souza

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Comments

Obama · Accepted Answer · 2013-04-16 12:36:52Z

0

Why you write dificult things, here is how to run commands :

try {

    System.Diagnostics.ProcessStartInfo procStartInfo =
        new System.Diagnostics.ProcessStartInfo("cmd", "/c " + command);

    StreamReader.procStartInfo.RedirectStandardOutput = true;
    procStartInfo.UseShellExecute = false;

    procStartInfo.CreateNoWindow = true;

    System.Diagnostics.Process proc = new System.Diagnostics.Process();
    proc.StartInfo = procStartInfo;
    proc.Start();

    string result = proc.StandardOutput.ReadToEnd();

    Console.WriteLine(result);
  }
  catch (Exception objException)
  {
        // Log the exception
  }

edited Apr 16, 2013 at 12:36

answered Apr 16, 2013 at 12:16

Obama

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Comments

Markus Safar · Accepted Answer · 2014-06-14 19:27:08Z

0

Althought this is pretty old, in my opinion the problem lies within the specified parameter for /c of cmd. If you specify an argument with spaces in it you need to use the " character at the start and the end. So I would suggest changing this

ProcessStartInfo info = new ProcessStartInfo("cmd", @"/c " + Path.Combine(binDirectory, command));

to this.

ProcessStartInfo info = new ProcessStartInfo("cmd", string.Format("/c \"{0}\"", Path.Combine(binDirectory, command)));

answered Jun 14, 2014 at 19:27

Markus Safar

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Comments

Ateeq · Accepted Answer · 2014-09-09 19:26:35Z

0

try to add this line

info.Verb = "runas";

answered Sep 9, 2014 at 19:26

Ateeq

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