diff --git a/nfdocs-parser.py b/nfdocs-parser.py
index 4265cc3..a5f56d1 100755
--- a/nfdocs-parser.py
+++ b/nfdocs-parser.py
@@ -1 +1,5 @@
 #!/usr/bin/env python
+import sys
+
+nextflow_file = sys.argv[1]
+print(nextflow_file)