ntree stand alone command

src/ntree_cmdline_parser.py

@@ -0,0 +1,23 @@
+import argparse
+from pathlib import Path
+
+cmd_parser = argparse.ArgumentParser(
+    prog='ntree',
+    description='A python version (probabily worst) of tree unix command',
+    epilog="Thanks for using it! :)",
+    )
+
+cmd_parser.add_argument("path")
+# cmd_parser.add_argument("pattern")
+cmd_parser.add_argument("-e", "--exclude", action="append")
+cmd_parser.add_argument("-l", "--list-directories-first", action="store_true")
+
+# start the command line parsing
+cmd_args = cmd_parser.parse_args()
+
+p = cmd_args.path
+path = Path(p)
+
+if not path.exists():
+  print(f'Path: {p} dont\' exists')
+  raise SystemExit(1)