ls: complete

Author: craig-dsilva

implement-shell-tools/ls/ls.py

@@ -2,7 +2,7 @@
 from os import listdir
 
 parser = argparse.ArgumentParser(prog="ls", description="List directory contents.  Ignore files and directories starting with a '.' by default")
-parser.add_argument("-1", help="List one file per line.", action="store_true")
+parser.add_argument("-1", dest="one", help="List one file per line.", action="store_true")
 parser.add_argument("-a", help="Do not ignore hidden files (files with names that start with '.').", action="store_true")
 parser.add_argument("path", help="The directory path (optional).", default=".", nargs="?")
 
@@ -11,6 +11,7 @@
 path = args.path
 
 show_hidden = args.a
+one_per_line = args.one
 
 contents = []
 
@@ -19,5 +20,10 @@
         contents.append(f)
     if show_hidden == True:
         contents.append(f)
-    
-print(" ".join(contents))
+
+contents.sort()
+
+if one_per_line == True:
+    print("\n".join(contents))
+else:
+    print("  ".join(contents))