Add doc string for touch

2017-12-06 20:26:16 +08:00 · 2017-12-06 20:26:16 +08:00 · 1e731d58cc
parent 28abb26de8
commit 1e731d58cc
1 changed files with 3 additions and 0 deletions
--- a/pydu/file.py
+++ b/pydu/file.py
@ -118,6 +118,9 @@ def copy(src, dst, ignore_errors=False, follow_symlinks=True):


 def touch(path):
+    """
+    open a file as write,and then close it.
+    """
    with open(path, 'w'):
        pass