Capturing command-line output using Java

Question

Process process = Runtime.getRuntime().exec("C:/chess/h.exe");
Scanner scanner = new Scanner(process.getInputStream());
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(process.getOutputStream()));
writer.write("uci");
while (true) System.out.println(scanner.nextLine());

It writes:

 Houdini 4 Pro x64 (c) 2013 Robert Houdart

 info string 4 processor(s) found info string NUMA configuration with 1
 node(s), offset 0 info string 128 MB Hash

If I doing the same in console, the result is enter image description here

Where did other text dissapeared? How can I make it been seen using my program?

The problem is in writing to the process. Here's [solution][1] [1]: stackoverflow.com/questions/18903549/… — kandi
– kandi, Commented Jul 11, 2014 at 16:34

Ricardo Solano · Accepted Answer · 2014-07-11 16:19:36Z

1

Try capturing the error output as well, it might be the case that the h.exe program only prints "info" messages to the standard output and everything else is sent to the error output.

process.getErrorStream();

answered Jul 11, 2014 at 16:19

Ricardo Solano

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