Running terminal commands from java (using Eclipse)

Question

I am playing around with some GIT commands in terminal, but I want to write a java program to automate the process.Please note I am not writing a program straight into a terminal. I am writing it in eclipse. This following code works on windows, but not MAC. How should I change it to run on MAC?

import java.io.*;


public class NewClass {



public static void main(String[] args) {  
    try {  
        Process p = Runtime.getRuntime().exec("GIT");  
        BufferedReader in = new BufferedReader(  
                            new InputStreamReader(p.getInputStream()));  
        String line = null;  
        while ((line = in.readLine()) != null) {  
            System.out.println(line);  
        }  
    } catch (IOException e) {  
        e.printStackTrace();  
    }  
}

}

Obvious question: Does simply typing GIT in the mac console works? — Smutje
– Smutje, Commented Feb 15, 2014 at 22:05
Try looking here: help.github.com/articles/set-up-git#platform-mac — jpdymond
– jpdymond, Commented Feb 15, 2014 at 22:19

Warren Dew · Accepted Answer · 2014-02-15 22:05:46Z

1

"GIT" should be "git" for case sensitive systems like Mac OS. Note that without arguments, this will only give you a listing of the git syntax.

answered Feb 15, 2014 at 22:05

Warren Dew

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5 Comments

Laura Ruby Over a year ago

Thank you, but that wasn't the issue, as I have tried different commands" This works perfectly on Windows, so the command should't be the problem.

Warren Dew Over a year ago

It works on Windows because commands are not case sensitive on Windows. On Windows, an upper case "GIT" command means the same thing as a lower case "git" command. On Mac OS, they mean different things.

Laura Ruby Over a year ago

I have been using different commands, just typed this with a mistake to shorten the code

Chris Stratton Over a year ago

I'm not sure OSX actually is case sensitive (any more?)... for example "GIT" actually does seem to work, though it still would not on linux.

Warren Dew Over a year ago

@ChrisStratton valid point. OS X isn't really case insensitive, but it's also not strictly case sensitive like linux.

ErstwhileIII · Accepted Answer · 2014-02-15 22:06:16Z

0

Please follow the basic steps outlined in this CS article from Princeton (How to run Java Program on a Mac)

answered Feb 15, 2014 at 22:06

ErstwhileIII

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1 Comment

Laura Ruby Over a year ago

Please not that I am not writing a program straight in to a terminal. It is done in Eclipse.

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