implementing ls -1

Author: sheida-shab

implement-shell-tools/ls/ls.py

@@ -0,0 +1,18 @@
+import os
+import argparse
+
+parser=argparse.ArgumentParser(prog="cat",usage="implement a simple ls python")
+parser.add_argument("-1",dest="one",action="store_true")
+parser.add_argument("-a",action="store_true")
+parser.add_argument("path",nargs="*",help="path to list files")
+args=parser.parse_args()
+
+paths=args.path
+if len(paths)==0 : paths=["."]
+
+for path in paths :
+    files_list=os.listdir(path)
+    files_list.sort(key=str.lower)
+if args.one :
+    for item in files_list :  
+      print(item)