为什么 robocopy 说这个文件较旧?
Robocopy 显示(我认为我使用了 /MIR 和 /L)
2 M:\bk\laptopcopy\pics\
Older 79248 regular-expressions-cheat-sheet-v2.png
但似乎没有任何时间戳反映这一点。
---- dir showing the modified time stamp
M:\>dir m:\bk\laptopcopy\pics
Tue 22 Jul 2008 05:01 79,248 regular-expressions-cheat-sheet-v2.png
F:\formozy\smalltxtdoc\bk\laptopcopy\pics
>dir regular-expressions-cheat-sheet-v2.png
22/07/2008 05:01 79,248 regular-expressions-cheat-sheet-v2.png
------
---dir showing the creation time stamp----
M:\bk\laptopcopy\pics
>dir /t:c regular-expressions-cheat-sheet-v2.png
24/08/2008 16:04 79,248 regular-expressions-cheat-s
F:\formozy\smalltxtdoc\bk\laptopcopy\pics
>dir /t:c regular-expressions-cheat-sheet-v2.png
24/08/2008 16:04 79,248 regular-expressions-cheat-s
----------------------
--- dir showing the access time stamp
M:\bk\laptopcopy\pics
>dir /t:a regular-expressions-cheat-sheet-v2.png
20/04/2013 11:23 79,248 regular-expressions-cheat-sh
F:\formozy\smalltxtdoc\bk\laptopcopy\pics
>dir /t:a regular-expressions-cheat-sheet-v2.png
29/12/2010 14:31 79,248 regular-expressions-cheat-sh
----------
文档说明 [1]
File Exists In Exists In Source/Dest Source/Dest Source/Dest
Class Source Destination File Times File Sizes Attributes
=========== =========== ================ =============== ============= ============
Lonely Yes No n/a n/a n/a
Tweaked Yes Yes Equal Equal Different
Same Yes Yes Equal Equal Equal
Changed Yes Yes Equal Different n/a
Newer Yes Yes Source > Dest n/a n/a
Older Yes Yes Source < Dest n/a n/a
Extra No Yes n/a n/a n/a
Mismatched Yes (file) Yes (directory) n/a n/a n/a
[1]robocopy 中的 tweaked、lonely 和 extra 是什么意思?
其中提到了文档和 http://theether.net/download/Microsoft/Utilities/robocopy.pdf 和 http://www.lordgoogle.com/downloads/robocopy/robocopy.doc
答案1
我遇到了同样的问题并遇到了以下问题:
基本上,这表明您可以使用 /FFT 开关来假设 FAT 文件时间(2 秒日期/时间粒度)。
现在使用这个,我不再被覆盖100000个相同的文件