remote flasher for mcbios

local c = require("component")
local f = require("filesystem")
local shell = require "shell"
local m = c.modem
if not m then error("Wireless card required.", 0) end
local a,o = shell.parse(...)

if #a < 1 then
	error("syntax: rflash [file] {port}", 0)
end

local port = tonumber(a[2]) or 8192
local mm = f.open(a[1])
local data = mm:read(4096) --Covers the 4k limit
mm:close()

m.broadcast( port, "flash;"..data )

print("Sent flash packet over port "..tostring(port))
print("If it succeeded, the device will BEEP.")