Java run phantomjs from command line

Question

I have a quick question: I am trying to call the following command line from a java application C:/phantomjs/phantomjs chart/chart.js

I tried doing:

public static void go3(){
    Runtime rt=Runtime.getRuntime();
    try{
        final Process pr=rt.exec("cmd C:/phantomjs/phantomjs chart/chart.js");
        final int exitCode=pr.waitFor();
        if(exitCode!=0){ throw new RuntimeException("program didnt exit with 0, but with "+exitCode); }
        // System.out.println(pr.toString());
        // int exitStatus=pr.waitFor();
    }catch(IOException e){
        // TODO Auto-generated catch block
        e.printStackTrace();
    }catch(InterruptedException e){
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    System.out.println("done");
}

but I get exit code -1. I looked at various tutorials/question on stackoverflow but they all run trivial examples and I am struggling to understand how to write the part inside .exec("what goes here?")

user2177336 · Accepted Answer · 2013-08-15 11:48:48Z

2

Found the answer:

public static void go4(){
    String[] command={"cmd","/k","cd /phantomjs&&phantomjs chart/chart.js"};
    Process p;
    try{
        p=Runtime.getRuntime().exec(command);
        PrintWriter stdin=new PrintWriter(p.getOutputStream());
        stdin.close();
        int returnCode;
        returnCode=p.waitFor();
        System.out.println("Return code = "+returnCode);

    }catch(IOException e1){
        e1.printStackTrace();

    }catch(InterruptedException e){
        e.printStackTrace();
    }

}

answered Aug 15, 2013 at 11:48

user2177336

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