[bat]批量替换文件头部和尾部

@echo off

set home=grant select on 

set end= to read_role;

for %%b in (*.txt) do (

for /f  "delims="  %%a in ('type "%%b"') do (echo %home%%%a%end%>>"1%%b")

del "%%b"

ren "1%%b" "%%b"

)

pause