文件的增加访问时间 [英] Increment access time of file

问题描述

我想将文件的访问时间增加给定的小时数，例如12小时.

I would like to increment the access time of a file by a given number of hours, e.g. 12 hours.

我找到了一种方法，可以使用 Unxutils touch.exe工具对其进行破解并手动计算新日期:

I found a way to hack it using Unxutils touch.exe tool and calculate the new date manually:

touch.exe -a -t MMDDhhmmCCYY my_file.txt

但是，我想自动执行此操作而不必手动输入新日期.所以这是我的问题:

However, I would like to automatize this without having to enter the new date manually. So here are my questions:

1. 如何在DOS中检索文件的访问时间?
2. 如何增加它?
3. 如何将它们放到脚本/批处理文件中?
4. 还是有更好的方法?

非常感谢！

推荐答案

由于您已将其标记为Powershell:

Since you've got it tagged for Powershell:

$file = Get-ChildItem testfile.txt
$file.lastwritetime

$file.LastWriteTime = ($file.LastWriteTime).AddHours(12)
$file.LastWriteTime

Tuesday, November 19, 2013 5:27:18 PM
Wednesday, November 20, 2013 5:27:18 AM

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