le with python completed

Author: ZabihollahNamazi

implement-shell-tools/ls/ls.py

@@ -0,0 +1,42 @@
+import argparse 
+import os
+
+parser = argparse.ArgumentParser(
+    prog="ls shell tool",
+    description="making ls tool with python"
+)
+
+parser.add_argument(
+    "-1",
+    dest="one_per_line",
+    action="store_true",
+    help="lists one per line"
+)
+parser.add_argument(
+    "-a",
+    dest="show_hidden",
+    action="store_true",
+    help="show files even hidden files"
+)
+parser.add_argument(
+    "items",
+    nargs="*", #defualt to current directory
+    help="items to list"
+)
+
+args = parser.parse_args()
+
+paths = args.items if args.items else ['.']
+
+for path in paths:
+    try:
+        entries = os.listdir(path)
+        if not args.show_hidden:
+            entries = [e for e in entries if not e.startswith(".")]
+        if args.one_per_line:
+            for entry in entries:
+                print(entry)
+        else:
+            print(" ".join(entries))
+    except:
+        print(f"ls can not access this directory: {path}")