diff --git a/tx b/tx
index f95a2d5..b1c8032 100755
--- a/tx
+++ b/tx
@@ -1,8 +1,21 @@
 #!/usr/bin/env python3
 
 from datetime import datetime, timedelta
+import argparse
+
+# Parse command line arguments
+parser = argparse.ArgumentParser(description="Description")
+ 
+# add arguments to the parser
+parser.add_argument("-f", "--file")
+
+args = parser.parse_args()
+
+if args.file:
+    time_file = open(args.file,'r')
+else:
+    time_file = open('time.txt','r')
 
-time_file = open('time.txt','r')
 total_time = timedelta()
 
 for line in time_file: