writing to terminal from Java

Question

Process proc = new ProcessBuilder("xterm").start();

How can I write and execute commands into this xterm window after the process has been initiated?

In my application I definitely do require executing commands in the same xterm window after it has been initiated.

possible duplicate of http://stackoverflow.com/questions/3643939/java-process-with-input-output-stream — Oleg Mikheev, Dec 30 '11 at 08:59

score 0 · Answer 1 · answered Dec 30 '11 at 09:02

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You might want to try this :

ProcessBuilder pb = new ProcessBuilder("xterm", "myArg1", "myArg2").start();

See ProcessBuilder.

answered Dec 30 '11 at 09:02

Sandeep Pathak

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score 0 · Answer 2 · edited Dec 30 '11 at 09:14

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You cannot explicitly send keystrokes to any external application, but you can send

initialization parameters, for example- Notepad "c:\\index.txt", mycmd.exe -i 10 20 24.

edited Dec 30 '11 at 09:14

adarshr

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answered Dec 30 '11 at 09:06

Acn

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score 0 · Answer 3 · answered Dec 30 '11 at 09:08

In Java, you can create a process which can be executed from the Runtime.

xterm is a process such as ls, cat etc...

You are trying to send instruction to an external process using your Java application, you will only be able to init the application using parameters but I guess it is not enough.

You better use directly Java because you will be able to use the Process object which will give you lot of usefull information.

writing to terminal from Java

3 Answers3