/** A program to illustrate system-call injection,
 * from user input.
 */
class Touch {

  final static String BASE_DIR = "/Users/ibarland/";

  public static void main( String[] _ ) throws java.io.IOException {

    System.out.println( "What file inside " + BASE_DIR + " do you want to update? " );
    String fname = new java.util.Scanner( System.in ).next();

    String command = "touch " + BASE_DIR + fname;
    System.out.println( "About to execute: `" + command + "`");

    Runtime.getRuntime().exec( command );
    }

}