hanyeguxing

@echo off
setlocal enabledelayedexpansion
for /f "tokens=1* delims=:" %%i in ('findstr /n .* 1.txt') do (
	set "b=%%j"
	echo;删除前:!b!
	echo;删除后:!b:hjfj=!
)
pause
复制代码

hanyeguxing

把echo %a%改成echo !a!写到括号里面去,不然%a%只是最后一行的内容