Get Device

function getDeviceSide(device)
    dSide = nil

    local dName = device
    if dName == "monitor" then
        dName = "monitor"
    elseif dName == "modem" then
        dname = "modem"
    else
        error("No Device Named: " .. device)
    end

    -- Determine where device is.

    print("Looking for device,")
    if peripheral.isPresent("left") and peripheral.getType("left")==dName then
      dSide = "left"
    elseif peripheral.isPresent("right") and peripheral.getType("right")==dName then
      dSide = "right"
    elseif peripheral.isPresent("top") and peripheral.getType("top")==dName then
      dSide = "top"
    elseif peripheral.isPresent("back") and peripheral.getType("back")==dName then
      dSide = "back"
    elseif peripheral.isPresent("bottom") and peripheral.getType("bottom")==dName then
      dSide = "bottom"
    else
      print("No " .. device )
      return
    end
    print(dName .. " found on "..dSide)
    return dSide

end