ProcessBuilder environment variable in java

Question

I\'m trying to add a environment variable for a ProcessBuilder object but then when I call on that new variable in the ProcessBuilder I get an error. this is how I build the

Answer 1

This works for me in Windows:

@Test
public void testProcessBuilder() throws IOException {
    ProcessBuilder processBuilder = new ProcessBuilder("cmd.exe", "/C", "echo Hello %name%");
    Map environment = processBuilder.environment();
    environment.put("name", "Alfredo Osorio");
    Process p = processBuilder.start();
    String line;
    BufferedReader r = new BufferedReader(new InputStreamReader(p.getInputStream()));
    while ((line = r.readLine()) != null) {
        System.out.println(line);
    }
    r.close();
}

Output:

Hello Alfredo Osorio

As you can see in Windows you use the %environmentVariable% instead of the $environementVariable