How To: Execute command line in C#, get STD OUT results

Question

How do I execute a command-line program from C# and get back the STD OUT results? Specifically, I want to execute DIFF on two files that are programmatically selected and write the results to a text box.

Answer 1

// Start the child process.  Process p = new Process();  // Redirect the output stream of the child process.  p.StartInfo.UseShellExecute = false;  p.StartInfo.RedirectStandardOutput = true;  p.StartInfo.FileName = "YOURBATCHFILE.bat";  p.Start();  // Do not wait for the child process to exit before  // reading to the end of its redirected stream.  // p.WaitForExit();  // Read the output stream first and then wait.  string output = p.StandardOutput.ReadToEnd();  p.WaitForExit(); 

Code is from MSDN.

Answer 2

Here's a quick sample:

//Create process System.Diagnostics.Process pProcess = new System.Diagnostics.Process();  //strCommand is path and file name of command to run pProcess.StartInfo.FileName = strCommand;  //strCommandParameters are parameters to pass to program pProcess.StartInfo.Arguments = strCommandParameters;  pProcess.StartInfo.UseShellExecute = false;  //Set output of program to be written to process output stream pProcess.StartInfo.RedirectStandardOutput = true;     //Optional pProcess.StartInfo.WorkingDirectory = strWorkingDirectory;  //Start the process pProcess.Start();  //Get program output string strOutput = pProcess.StandardOutput.ReadToEnd();  //Wait for process to finish pProcess.WaitForExit();