global sizeLast := 0


getLastStr(LogWay)
{
    newArray := []
    FileRead, temp_text, % LogWay
    logNew := StrSplit(temp_text, "`r`n")
    if(logNew.Length() <= sizeLast)
        Return
    Loop, % logNew.Length() - sizeLast
            newArray.Push(logNew[A_Index + sizeLast])
    sizeLast := logNew.Length()
        Return newArray
}