中国DOS联盟

@echo off & setlocal enabledelayedexpansion

set /a num=0

for /f %%i in ('type test.txt') do (

  set/a num+=1

  if !num! EQU 1 (echo %%i;>test.txt) else echo %%i;>>test.txt)

pause>nul

sed "s/.*/&;/" urfile

sed "1s/.*/&；/;2,$s/.*/&;/" urfile

@echo off & setlocal enabledelayedexpansion

set /a num=0

set test=

if exist test-a.txt del /q /f test-a.txt

for /f "delims=" %%i in (test.txt) do (

  set/a num+=1

  set test=%%i

  echo !test!;>>test-a.txt

        )

sed就是好用，可惜我不会，那个正则表达式太高深啦，看不懂！我晕