get

term.clear()
term.setCursorPos(1,1)
local sides = {"back"}
for i=1,#sides do
 if not rednet.isOpen(sides[i]) then
  rednet.open(sides[i])
 end
end
while true do
 id,msg = rednet.receive("ftp")
 if msg == "RECEIVE" then
  id2,msg2 = rednet.receive("ftp")
  f = fs.open(msg2, "w")
  id3,msg3 = rednet.receive("ftp")
  f.write(msg3)
  f.close()
  print("File "..msg2.." received!")
 elseif msg == "SC" then
  break
 end
end