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POHow do I detect which program has returned an error code?
 

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  1. POHow do I detect which program has returned an error code?
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    <p>I'm attempting to run a series of commands programmatically, read the error codes, and detect if these codes indicate success or failure so I can respond accordingly.</p> <p>Currently my commands are using psexec which then launches robocopy. I've noted that while most commands return an error code of 0 if the program is successful, robocopy is odd in that it returns values in the range of 0-8 even if the operation is successful, so I am adding some extra logic in my error detection to note when robocopy returns an error code which otherwise suggests a failure.</p> <p>The problem is that in this same set of commands I'm using PSExec to launch various other executables and batch files, so I need an error detection solution that allows me to know when robocopy is the one returning these error codes or if it's PSExec because an error code of 5 in robocopy is fine usually whereas an error code of 5 in PSExec says that access is denied.</p> <p>So my question is, how do I know which program has returned the error code? I'm using c# .NET 4.0, and I'm using the Process class to programmatically launch these programs. I set the program name as psexec, and the arguments include the robocopy or other programs. I then run, wait for the exit, and store the error code, then attempt to parse it.</p> <p>What do you all suggest?</p> <p>Here is a code snippet:</p> <pre><code>foreach (var command in commands) { // TODO: Add exception handling string processName = command.Split(delimiters).ToList().ElementAt(0); // split up command into pieces, select first "token" as the process name string commandArguments = command.Replace(processName + " ", ""); // remove the process name and following whitespace from the command itself, storing it in a new variable Process commandProcess = new Process(); // declare a new process to be used commandProcess.StartInfo.FileName = processName; // add file start info for filename to process commandProcess.StartInfo.Arguments = commandArguments; // add file start info for arguments to process commandProcess.StartInfo.UseShellExecute = false; // skip permissions request commandProcess.Start(); // start process according to command's data commandProcess.WaitForExit(); // wait for the process to exit before continuing bool commandSuccessful = ParseCommandErrorCode(commandProcess, commandProcess.ExitCode); // grab error code if (!commandSuccessful) { // ERROR! abort operation and inform the user of the last completed operation, and how many commands have not been run } // end if Console.WriteLine("Error code: {0}", commandProcess.ExitCode); // print error code commandProcess.Close(); // close process } // end foreach </code></pre>
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