慕夜蓝化

@echo off&setlocal enabledelayedexpansion
For /f "tokens=1,2 delims==" %%i in (a.txt) do (
    set "str=%%i"&set "n=%%j"
    if "!str!"=="!sri!" (
        set/a _!str:~,2!+=!n!&set "n=0"
    ) else (
        set/a _!str:~,2!+=!n!
    )
    set "sri=%%i"
)
(For /f "tokens=1-2 delims=_=" %%i in ('set _') do (
    for /f "tokens=1-2 delims==" %%a in ('findstr /i /b "%%i" "a.txt"') do (
    set/a n+=1
    if !n! equ 1 echo,%%a=%%j
    )
    set "n="
)) >b.txt
pause
复制代码

感觉太偏了。总是把问题想的太复杂。