Batcher

@echo off
for /f "tokens=1-4 delims=-" %%a in ('dir /b /a-d *.mpg') do (
    ren "%%a-%%b-%%c-%%d" "%%d"
)
复制代码

Batcher

回复 8# twm581025


5楼第3行改成这样试试：
ren "%%a-%%b-%%c-%%d" "%%a"

Batcher

回复 10# twm581025


    具体哪里不行？

Batcher

回复 12# twm581025

@echo off
for /f "tokens=1-4 delims=-" %%a in ('dir /b /a-d *.mpg') do (
    echo ren "%%a-%%b-%%c-%%d" "%%a.mpg"
    ren "%%a-%%b-%%c-%%d" "%%a.mpg"
)
pause
复制代码

加个echo看看显示的啥

Batcher

回复 15# twm581025

@echo off
for /f "tokens=1* delims=-" %%a in ('dir /b /a-d *.mpg') do (
    echo ren "%%a-%%b" "%%a.mpg"
    ren "%%a-%%b" "%%a.mpg"
)
pause
复制代码