feat: implement ls

Author: AhmadHmedann

implement-shell-tools/ls/ls.py

@@ -0,0 +1,29 @@
+import argparse
+from pathlib import Path
+
+parser = argparse.ArgumentParser(
+    prog="ls",
+    description="ls 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)
+
+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))