Ejercicio 12a

exercises/ex12/ls

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+#!/usr/bin/env python
+# Exercise 12a
+# ls command
+
+import argparse
+from pathlib import Path
+
+parser = argparse.ArgumentParser()
+parser.add_argument("paths", default=Path().cwd(), nargs="*", type=Path)
+parser.add_argument("-a", "--all", action="store_true")
+args = parser.parse_args()
+result = ""
+
+
+def get_items(path, with_hidden):
+    items = path.glob("*")
+    if not with_hidden:
+        items = list(filter(lambda i: i.name[0] != ".", items))
+    return list(sorted(set(items)))
+
+
+if isinstance(args.paths, list):
+    roots = list(map(lambda p: get_items(p, args.all), args.paths))
+else:
+    roots = [get_items(args.paths, args.all)]
+
+for items in roots:
+    if len(items) > 0:
+        root = items[0].parent
+        items = "\n".join(list(map(lambda i: i.name, items)))
+        result += items if len(roots) == 1 else f"{root}:\n{items}\n\n"
+
+if result != "":
+    print(result.strip())

exercises/ex12/rm

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+#!/usr/bin/env python
+# Exercise 12a
+# ls command
+
+import argparse
+from pathlib import Path
+
+parser = argparse.ArgumentParser()
+parser.add_argument("paths", default=Path().cwd(), nargs="*", type=Path)
+parser.add_argument("-r", "--recursive", action="store_true")
+args = parser.parse_args()
+result = ""