批处理文件以比较2个文件夹 [英] Batch file to compare 2 folders

问题描述

我如何能够创建一个批处理文件来比较2个具有相同文件集但修改日期不同的文件夹?我已经在互联网上检查了一些代码，但它只会检查文件是否存在于其他文件夹中.

How would I be able to create a batch file to compare 2 folders with the same set of files but different modified date? I have check for some codes in the internet but it would only check if the file exist in the other folder.

任何帮助将不胜感激.谢谢.

Any help would be appreciated. Thanks.

推荐答案

@echo off
Set folder1=c:\first folder
Set folder2=c:\second folder
Cd /D "%folder1%"
For %%a in (*.*) do (
   For %%b in ("%folder2%\%%a") do (
      If "%%~Ta" neq "%%~Tb" echo Different date/time in file %%a
   )
)

您可以只比较将%%~T...的结果分割成变量的日期，然后比较变量.

You may compare just the date splitting the result of %%~T... in variables, and then comparing the variables.

您还可以检查第二个文件夹中是否不存在该文件，或者比较文件的大小等...

You may also check if the file does not exist in second folder, or compare their sizes, etc...

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