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for /f "tokens=6 delims=- " %%i in ('findstr /i "\.ddo\>" a.txt') do echo mp3 name: %%i
for /f "tokens=6 delims=- " %%i in ('findstr /i "\.ddo\>" a.txt') do echo mp3 name: %%i.mp3>>b.txt
@echo off&setlocal enabledelayedexpansion for /f "delims=" %%i in (1.txt) do (set /a a+=1 echo %%i if !a! == 2 echo 插入内容或变量)>>hanye.txt del /q 1.txt ren hanye.txt 1.txt
@echo off&setlocal enabledelayedexpansion for /f "delims=" %%i in ('Findstr /i /n ".*" 1.txt') do (set /a a+=1&set i=%%i echo !i:*:=! if !a! == 2 echo 插入内容或变量)>>hanye.txt del /q 1.txt ren hanye.txt 1.txt