mikrotik helper functions

mikrotik_helper

local download do={
    # Download file: [$download "src_url" "dst_file"] returns boolean
    do {
        /tool fetch $1 dst-path=$2
        while ([len [/file find name=$2]] = 0) do={delay 0.1}
        return true
    } on-error={
        return false
    }
}

local abort do={
    #Log error and exit script
    log error $1
    error $1
}