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@echo offsetlocal enabledelayedexpansionset str=%1set /a x=0call :StrLenendlocalgoto :eof:StrLenif not "!str:~%x%,1!" == "" set /a x+=1 & goto StrLenecho StringLenth=%x%goto :eof

useage: Get_MonthList.bat %NowMonth% %Num%The %NowMonth% is the latest year and month, and the %Num% defines how many months need to listSee code:@echo off & setlocal enabledelayedexpansionset nu...