如何在DOS下批量修改文件名?批处理修改文件名称一些见解

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  如果我们需要使用批处理命令批量修改文件名,首先需要确定这些文件是被命名为怎么样的格式,笔者总结一些网络上的知识,做了一些例子给大家看一下,文末有一些变量和参数介绍。

  今天要批量重命名一些文件,(即:目录FILE下有很多子目录file1,file2,file3……filen子目录中都有一个文件aaa.jpg,现要实现aaa.jpg重名为带子目录的名称,如file1下面的命名为file1.jpg),想到DOS处理,网上找了些现成脚本,没达到预期的目的,一时恼火,就小补了下DOS相关知识,包括基本命令,重点研究了下批量处理命令。

  如何在DOS下批量修改文件名?

  方法一的思路与方法二大致相同,只不过在获取完整路径的时候,换用了效率更高的 for /r 语句,并用一个变量var来获取文件所在文件夹的完整路径,通过判断var是否经过赋值来判断当前处理的音乐文件是否位于同一目录下,因为直接用 %%~dpa 获取到的字符串最后有一个反斜杠,所以,第二个for语句中,用 !var:~,-1! 把最后的反斜杠去掉了(在for语句内部,如果要 引用已经发生了改变的变量,必须使用变量延迟功能,也就是最开始的 setlocal 语句),后面的思路和方法二的一样。其实,方法一的代码大可不必判断当前处理的文件与上一次处理的文件是否位于同一目录下,因为 for /r 的时候,会获得文件的完整路径,只需要对完整路径直接进行操作就可以了,可以借鉴随风的做法,在 %%~dpa 的时候,直接在最后加上一个点号,可以使得效率进一步提升。

  方法一代码:

01@echo off &setlocal enabledelayedexpansion

02for /r %%a in (\aaa.jpg) do (if not defined %%~dpa set "var=%%~dpa"&set

03"%%~dpa=a"

04for %%i in ("!var:~,-1!")do ren "%%~fa" "%%~ni.jpg")

05pause

复制代码@echo off &setlocal enabledelayedexpansionfor /r %%a in (\aaa.jpg) do (if not defined %%~dpa set "var=%%~dpa"&set"%%~dpa=a"for %%i in ("!var:~,-1!")do ren "%%~fa" "%%~ni.jpg")pause
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