Running external program with redirected stdin and stdout from Java

Question

I\'m trying to running an external program from a Java program and I\'m having trouble. Basically what I\'d like to do would be this:

 Runtime.getRuntime().e         


        

Answer 1

You could try something like this:

ProcessBuilder pb = new ProcessBuilder();
pb.redirectInput(new FileInputStream(new File(infile));
pb.redirectOutput(new FileOutputStream(new File(outfile));
pb.command(cmd);
pb.start().waitFor();