Initiate Mining

local gpsData = fs.open("GPS_DATA", "w")

x,y,z = gps.locate()

if(x == nil or y == nil or z == nil) then
    term.clear()
    term.setCursorPos(1,1)
    print("Could not establish GPS signal, please ensure GPS servers are running and try again")
    print("X: ",x)
    print("Y: ",y)
    print("Z: ",z)
    gpsData.close()
else
    repeat
        term.clear()
        term.setCursorPos(1,1)
        print("GPS signal established correctly, your coordinates are X: (",x,") Y: (",y,") Z: (",z,")")
        print("Please enter heading: ")
        heading= read()
    until (heading == 'N' or heading == 'E' or heading == 'S' or heading == 'W' or heading == 'n' or heading == 'e' or heading == 's' or heading == 'w')

    gpsData.writeLine(x)
    gpsData.writeLine(y)
    gpsData.writeLine(z)
    gpsData.writeLine(heading)
    gpsData.close()

    print("Would you like to start mining now? (y/n)")

    if(read() == 'y') then
        shell.run("CMining")
    end
end