apang

@echo off&setlocal enabledelayedexpansion
(echo.
for /f "delims=" %%i in ('sort 1.txt') do (
    set aa=%%i&call :loop
    for %%j in ("!aa!") do if not defined %%j echo !aa!&set "%%j=="
))>$
move $ 1.txt&goto :eof
:loop
if "!aa:~-1!"==" " set aa=!aa:~,-1!&goto loop
复制代码

排序并删除邮箱名后面的多余空格。