admin.txt的文本如下



admin = xiaoguang.chen
dev = jane.cui



* = r
@admin = rw



@admin = r
@dev =



@dev = r
@admin =


想用批处理实现如下功能
从开始往下读取，到空格行停止，输入到一个新文件new.txt中
高手指教。万分感谢！

@echo off

type nul>new.txt

for /f "tokens=1,2* delims=:" %%a in ('findstr /n .* "a.txt"') do (

  if "%%b" neq "" (

    >>"new.txt" echo %%b

  ) else (

    goto :eof

  )

)