'url n' prints URL of item n

av98.py

@@ -1480,8 +1480,25 @@ Use 'ls -l' to see URLs."""
 
     @needs_gi
     def do_url(self, *args):
-        """Print URL of most recently visited item."""
-        print(self.gi.url)
+        """Print the URL of an item.
+'url' prints the URL of the most recently visited item.
+'url n' prints the URL of item n."""
+        # If no argument print current URL
+        if args[0] == '':
+            print(self.gi.url)
+            return
+        # If there is a valid integer argument print url of that item.
+        try:
+            n = int(args[0])
+        except ValueError:
+            print("Invalid item number.")
+            return
+        try:
+            gi = self.lookup[n-1]
+        except IndexError:
+            print ("Index too high!")
+            return
+        print(gi.url)
 
     ### Bookmarking stuff
     @restricted