diff --git a/src/pythonbasictools/cmds.py b/src/pythonbasictools/cmds.py
new file mode 100644
index 0000000..2d781b3
--- /dev/null
+++ b/src/pythonbasictools/cmds.py
@@ -0,0 +1,24 @@
+from typing import Dict
+
+
+def get_cmd_kwargs(defaults: Dict = None):
+    import sys
+    import argparse
+
+    if defaults is None:
+        defaults = {}
+    cmd_kwargs = {i: v for i, v in enumerate(sys.argv)}
+    parser = argparse.ArgumentParser()
+    for pos_arg in sorted([k for k in defaults.keys() if isinstance(k, int)]):
+        if pos_arg in cmd_kwargs:
+            parser.add_argument(f"argv_{pos_arg}", type=str, default=defaults[pos_arg])
+    for k, v in defaults.items():
+        if isinstance(k, int):
+            cmd_kwargs[k] = cmd_kwargs.get(k, v)
+        else:
+            parser.add_argument(f"--{k}", type=type(v), default=v)
+    args = parser.parse_args()
+    cmd_kwargs.update(vars(args))
+    return cmd_kwargs
+
+