for /f %%A in ('powershell -command "(Get-Date).AddDays(-1).ToString('yyyyMMdd')"') do set mydate=%%A
echo mydate=%mydate%
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@echo off
rem 指定FTP用户名
set ftpUser=FTPUSERNAME
rem 指定FTP密码
set ftpPass=FTPPASSWORD
rem 指定FTP服务器地址
set ftpIP=192.168.0.2
rem 指定待下载的文件位于FTP服务器的哪个目录
set ftpFolder=/SharedFile/Log
rem 指定从FTP下载下来的文件存放到本机哪个目录
set LocalFolder=C:\temp

for /f %%i in ('powershell -c "Get-Date (Get-Date).AddDays(-1) -uformat "%%Y%%m%%d""') do (
    set "DstDate=%%i"
)

set ftpFile=%temp%\TempFTP.txt
>"%ftpFile%" (
    echo,%ftpUser%
    echo,%ftpPass%
    echo cd "%ftpFolder%"
    echo lcd "%LocalFolder%"
    echo bin
    echo get backup%DstDate%.rar
    echo bye
)
start ftp -v -i -s:"%ftpFile%" %ftpIP%
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