// reads shell commands one per line from stdin
// executes them with Runtime.exec
// prints results + status
// can't use it to recurse, etc
// doesn't catch shell output for diagnostics, etc.
// etc.

import java.io.*;

public class exec {

public static void main(String[] args) {
	exec r = new exec();
}

exec() {
	try {
		Runtime rt = Runtime.getRuntime();
		BufferedReader bin = new BufferedReader(
			new InputStreamReader(System.in));
		String[] cmd = new String[3];
		cmd[0] = "/bin/sh";	// Unix-specific
		cmd[1] = "-c";
		String s;
		while ((s = bin.readLine()) != null) {
			cmd[2] = s;
			Process p = rt.exec(cmd);
			BufferedReader pin = new BufferedReader(
				new InputStreamReader(p.getInputStream()));
			while ((s = pin.readLine()) != null)
				System.out.println(s);
			pin.close();

			p.waitFor();
			System.err.println("status = " + p.exitValue());

		}
	} catch (InterruptedException e) {
		e.printStackTrace();	// ignored
	} catch (IOException e) {
		e.printStackTrace();
	}
}

}