t = term
local arg = {...}
ends = true
rednet.open("back")
  term.clear()
    term.setCursorPos(1, 1)
local function perc(cur,max)
    return cur/max*100
  end
  print("0% done mining")
    while ends == true do
if not (arg[1] == nil) or type(arg[1]) == "string" then
    rednet.broadcast(arg[1])
    a, b, c = rednet.receive()
    if b == "FINISHED" then
      term.clear()
    term.setCursorPos(1, 1)
    ends = false
    print(b)
    else
        term.clear()
        term.setCursorPos(1,1)
        print(perc(b,arg[1]) .."% done mining")
    end
else
    error("please use a number!")
end
end