Question

批处理怎么用for指令读取txt文件里的所有数字(只有数字)

批处理怎么用for指令读取txt文件里的所有数字(只有数字)命令提示符，一定是用for指令，最好简单点

Answer 1

@echo offsetlocal enabledelayedexpansion::a.txt路径 set file=a.txtfor /f "delims=" %%a in ('type %file%') do ( set "str=%%a" for /l %%b in (0,1,1000) do ( for /l %%c in (0,1,9) do ( if /i "!str:~%%b,1!"=="%%c" ( set str_=!str_!!str:~%%b,1! ) ) ) )echo %str_% >b.txtpause

追问

你这太复杂了吧