在批处理作业中创建文件名作为时间戳 [英] Creating a file name as a timestamp in a batch job

问题描述

我们有一个每天运行的批处理作业，并将文件复制到拾取文件夹.我还想复制该文件并将其放入文件名的存档文件夹中

We have a batch job that runs every day and copies a file to a pickup folder. I want to also take a copy of that file and drop it into an archive folder with the filename

 yyyy-MM-dd.log

在 Windows 批处理作业中执行此操作的最简单方法是什么?

What's the easiest way to do this in a Windows batch job?

我基本上是在寻找与此 Unix 命令等效的命令:

I'm basically looking for an equivalent of this Unix command:

cp source.log `date +%F`.log

推荐答案

CP source.log %DATE:~-4%-%DATE:~4,2%-%DATE:~7,2%.log

但它依赖于语言环境.我不确定 %DATE% 是否已本地化，或者取决于为 Windows 中的短日期指定的格式.

But it's locale dependent. I'm not sure if %DATE% is localized, or depends on the format specified for the short date in Windows.

这是从这个答案中提取当前日期的一种与语言环境无关的方法，但这取决于WMIC 和 FOR/F:

Here is a locale-independent way to extract the current date from this answer, but it depends on WMIC and FOR /F:

FOR /F %%A IN ('WMIC OS GET LocalDateTime ^| FINDSTR .') DO @SET B=%%A
CP source.log %B:~0,4%-%B:~4,2%-%B:~6,2%.log

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