Getting response of command line in Java

Question

I don't know if it is possible, but I want to see the response of my .bat file in Java.

Or a boolean of something that I can see that everything were going well! And if there where some errors that I can see the errors in Java.

Thanks

Answer 1

You need to run it using the ProcessBuilder (as long as you are running java 1.5 or above, if not check Alex's answer)

If you execute:

Process process = new ProcessBuilder("mybat.bat").command();

With the Process you can call

InputStream errorStream =  process.getErrorStream();

You will capture the output from the bat to stderr.

You can also use getOutputStream() on process to get sdtout or check the return code with exitCode().

Answer 2

Take a look at these code samples for executing shell commands through java: Execute an external program

The code examples above do not utilize ProcessBuilder and therefore are not limited to Java 1.5 and above