通过robocopy备份至移动硬盘

    @echo off
    for /f "Tokens=1-4 Delims=/ " %%i in ('date /t') do set date_log=%%i%%j%%k
    rem 获取日期
    for /f "Tokens=1-2 Delims=: " %%a in ('time /t') do set time_log=%%a%%b
    rem 获取时间
    set logpath=D:\backup_log
    rem 日志存放目录
    if not exist "%logpath%" (
    md %logpath%
    )
    rem 判断日志存放目录是否存在，不存在创建
    set logfile=backup_%date_log%_%time_log%.log
    rem 设置日志文件名称
    :copy
    for /f %%c in ('tasklist^|find /i /c "backup"') do set num=%%c
    if "%num%"=="0" (
    robocopy D:\yunwei  I:\yunwei  /MIR /R:2 /W:10 /V /L