Add usage function

1 files changed, 12 insertions, 0 deletions

diff --git a/jacsr b/jacsr
index 2848c21..c64f2ba 100755
--- a/jacsr
+++ b/jacsr
@@ -1,6 +1,7 @@
 #!/usr/bin/python3
 import csv
 import sqlite3
+import sys
 
 RESULT_FILE = './cstimer.csv'
 DATABASE_FILE = 'solves.db'
@@ -43,7 +44,18 @@ def read_times_from_database(connection):
     cursor.close()
 
 
+def usage():
+    print("""
+jacsr - Jackson's Awesome Cube Statistics Recorder
+-h - show this help message
+    """)
+
+
 if __name__ == "__main__":
+    if len(sys.argv) > 1:
+        usage()
+        sys.exit()
+
     connection = sqlite3.connect(DATABASE_FILE)
 
     create_solve_table(connection)