adding previously uncommitted changes

src/CommandController.py

@@ -321,11 +321,27 @@ def prompt(user):
                         gc.error('The object you entered doesn\'t exist here.')
             else:
                 # show command usage
-                gc.msg('Enter rn [object] [newname] to rename a file or folder.')
+                gc.msg('Enter rn [object] [newname] to rename a file or directory.')
 
         # copies an object
         elif base_cmd in ['cp', 'copy']:
-            pass
+            if len(cmds) > 2:
+                obj_name = cmds[1]
+                new_name = cmds[2]
+
+                # check if object is a file
+                file = File(obj_name, directory)
+                file.lookup()
+                if file.exists:
+                    newfile = File(new_name, directory)
+                    newfile.lookup()
+                    if newfile.exists:
+                        gc.error('A file already exists here with the name you specified.')
+                    else:
+                        newfile.copy(file)
+            else:
+                # show command usage
+                gc.msg('Enter cp [object] [newname] to copy a file or directory.')
 
         # show disk info
         elif base_cmd == 'disk':

src/File.py

@@ -102,11 +102,22 @@ def save(self):
     def get_content(self):
         return self.content
 
-    def rename(self, new_name):
-        pass
-
-    def copy(self, dest_id):
-        pass
+    # copies a source file's properties to this file
+    def copy(self, source):
+        self.parent = source.parent
+        self.owner_id = source.id
+        self.content = source.content
+        self.type = source.type
+        self.level = source.level
+        self.size = source.size
+        self.creation_time = source.creation_time
+        self.modified_time = source.modified_time
+        self.category = source.category
+        self.comment = source.comment
+        self.memory = source.memory
+        self.is_live = source.is_live
+        self.save()
+        self.exists = True
 
     # permanently delete this file
     def delete(self):