feat: implement ls CLI tool

Author: AhmadHmedann

implement-shell-tools/ls/ls.py

@@ -0,0 +1,34 @@
+import argparse
+from pathlib import Path
+
+parser = argparse.ArgumentParser(
+    prog="wc",
+    description="wc implementation",
+)
+
+parser.add_argument("path", nargs="?", help="The file to process", default=".")
+parser.add_argument("-1", "--one_per_line",action="store_true", help="one file per line")
+parser.add_argument("-a", action="store_true", help="Show hidden files")
+
+
+args = parser.parse_args()
+
+path = Path(args.path)  # path is an object represent a location on disk
+   
+# else:
+#  for item in path.iterdir():  # iterdir is a method reads directory  contents
+#     if args.a:
+#         print(item.name)
+#     else:
+#         if not item.name.startswith("."):
+#             print(item.name)  # each item is a Path object
+items =[]
+for item in sorted(path.iterdir()):
+    if args.a or not item.name.startswith("."):
+        items.append(item.name)
+
+if(args.one_per_line):
+    for name in items:
+        print(name)
+else:
+    print(" ".join(items))