import java.io.File;
/** This is a simple program to demonstrate how to use the methods of
 * <code>File</code> that you will use in the assignment.
 * Run this program with a single parameter, which is the name of a file
 * or directory or something that doesn't exist.
 */

public class SampleFile {

  private static void printList(File[] list, int index) {
    if (index < list.length) {
      System.out.println("name: " + list[index].getName() + " path: "
                                  + list[index].getPath());
      printList(list, index+1);
    }
  }

  public static void main(String[] args) {
     if (args.length > 0) {
       String fileName = args[0];
       File f = new File(fileName);

       if (! f.exists()) {
         System.out.println(f + " does not exist");
       }
       else if (! f.isDirectory()) {
         System.out.println(f + " is a regular file");
       }
       else { 
         System.out.println(f + " is a directory");
         File[] children = f.listFiles();
         printList(children, 0);
       }
     }
  }
}