Example usage for java.lang Runtime getRuntime

Introduction

In this page you can find the example usage for java.lang Runtime getRuntime.

Prototype

public static Runtime getRuntime()

Source Link

Document

Returns the runtime object associated with the current Java application.

Usage

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Runtime r = Runtime.getRuntime();
    String[] nargs = { "sh", "-c", "for i in 1 2 3; do echo $i; done" };
    Process p = r.exec(nargs);/*from w ww  . j  a  va 2 s  .  com*/
    BufferedReader is = new BufferedReader(new InputStreamReader(p.getInputStream()));
    String line;
    while ((line = is.readLine()) != null)
        System.out.println(line);
}

From source file:Main.java

public static void main(String[] args) {
    try {/*from w  ww. j  a  v  a2 s  .  c o m*/
        // create a new process
        Process p = Runtime.getRuntime().exec("notepad.exe");

        // get the error stream of the process and print it
        InputStream error = p.getErrorStream();
        for (int i = 0; i < error.available(); i++) {
            System.out.println(error.read());
        }

        // wait for 10 seconds and then destroy the process
        Thread.sleep(10000);
        p.destroy();

    } catch (Exception ex) {
        ex.printStackTrace();
    }

}

From source file:Main.java

public static void main(String argv[]) throws Exception {
    String line;//from  ww w  . ja  v a 2  s  . com
    Process p = Runtime.getRuntime().exec("psql -U username -d dbname -h serverhost -f scripfile.sql");
    BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
    while ((line = input.readLine()) != null) {
        System.out.println(line);
    }
    input.close();
}

From source file:Main.java

public static void main(String[] args) {
    try {//from  w w  w . j  av  a  2  s  .  c o m
        // create a new process
        Process p = Runtime.getRuntime().exec("notepad.exe");

        // get the input stream of the process and print it
        InputStream in = p.getInputStream();
        for (int i = 0; i < in.available(); i++) {
            System.out.println(in.read());
        }

        // wait for 10 seconds and then destroy the process
        Thread.sleep(10000);
        p.destroy();

    } catch (Exception ex) {
        ex.printStackTrace();
    }

}

From source file:Main.java

public static void main(String[] args) {
    try {/*from  ww w .ja va 2 s  .c  o  m*/
        // create a new process
        System.out.println("Creating Process...");
        Process p = Runtime.getRuntime().exec("notepad.exe");

        // wait 10 seconds
        System.out.println("Waiting...");
        Thread.sleep(10000);

        // kill the process
        p.destroy();
        System.out.println("Process destroyed.");

    } catch (Exception ex) {
        ex.printStackTrace();
    }

}

From source file:Main.java

public static void main(String[] args) {
    try {// ww  w. ja  v a  2s  .co  m
        // create a new process
        Process p = Runtime.getRuntime().exec("notepad.exe");

        // get the output stream
        OutputStream out = p.getOutputStream();

        // close the output stream
        System.out.println("Closing the output stream...");
        out.close();

    } catch (Exception ex) {
        ex.printStackTrace();
    }

}

From source file:Run1.java

public static void main(String[] args) throws java.io.IOException {
    if (args.length != 1) {
        System.err.println("usage: java Run pathname");
        return;//from w  w  w  . j  a va  2 s.  com
    }

    Process p = Runtime.getRuntime().exec(args[0]);

    try {
        System.out.println("Exit status = " + p.waitFor());
    } catch (InterruptedException e) {
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String fileName = "c:\\temp\\test.bmp";
    String[] commands = { "cmd.exe", "/c", "start", "\"DummyTitle\"", "\"" + fileName + "\"" };
    Process p = Runtime.getRuntime().exec(commands);
    p.waitFor();// w  w  w.  j av a  2 s  .co  m
    System.out.println("Done.");
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    String[] commands = new String[] { "grep", "hello world", "/tmp/f.txt" };
    commands = new String[] { "grep", "hello world", "c:/f.txt" };
    Process child = Runtime.getRuntime().exec(commands);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    String[] commands = new String[] { "grep", "hello world", "/tmp/f.txt" };
    commands = new String[] { "grep", "hello world", "c:\\f.txt" };
    Process child = Runtime.getRuntime().exec(commands);

}