added rename command

main.py

@@ -20,6 +20,7 @@ USAGES = {
         "undo": "undo - undoes the latest deletion/modification",
         "history": "history - prints all the deleted passwords",
         "cfg": "config [ <param=newparam> ] - configures the current program state or lists it when run without arguments. Example: 'config hints=False'",
+        "rename": "rename <label> <newlabel> - renames a password",
 }
 DEFAULT_KEYGEN_ITERATIONS = 100_000
 LOWERCASE_ALPHABET = set([chr(e) for e in range(ord('a'), ord('a') + 25)])
@@ -323,6 +324,17 @@ def main():
                 print(f"Restored {og_label}")
             else:
                 print(f"Label '{og_label}' could not be found in deleted or overwritten passwords")
+        elif command == "rename" or command == "rn":
+            if len(args) < 3:
+                print(f"Too few args for {command}. Usage: {USAGES['rename']}.")
+                continue
+
+            if args[1] in state.passwords:
+                state.passwords[args[2]] = state.passwords[args[1]]
+                del state.passwords[args[1]]
+                print(f"{args[1]} -> {args[2]}")
+            else:
+                print(f"{args[1]} is not a known password label")
         elif command == "history" or command == "his" or command == "undolist":
             print("Deleted:")
             for remd in state.to_remove: