id, msg, distance = rednet.receive() -- this covers all paramaters that are fired from rednet receive and now will halt the program till data is received.
print("Received") -- tells user it received data
print("What do you wish to name the file?") -- asks them for a name
term.write("Name: ") -- writes the name then
fileName = tostring(read()) -- allows them to write data which is stored in the variable fileName.
-- Unserializes data so it can be used as a program again
fileContents = textutils.unserialize(msg)
local fileToWrite = fs.open(fileName, "w") -- opens file in write mode
fileToWrite.write(fileContents) -- writes file contents to fileName
fileToWrite.close() -- closes handle
print("Done") -- tells the user it is done
print("File saved as: "..fileName) -- tells the user where the file is saved.