DAIC

回复 3# shenlong

@echo off
for /f "tokens=1-4 delims=*=" %%i in (s.txt) do (
    set /a "_%%i_%%j_%%k+=%%l"
)
(for /f "tokens=1-3 delims=_" %%i in ('set _') do (
    echo %%i*%%j*%%k
))>b.txt
复制代码

DAIC

回复 8# patrickju


帮助文档里面有例子：
    SET P
会显示所有以字母 P 打头的变量