fileChecker

--this is the fileChecker program. It verifies if the clearanceVariables and securityVariables files exist. If they do, it does nothing. If they don't, it creates them.
if fs.exists("/clearanceVariables") then
--do nothing
elseif not fs.exists("/clearanceVariables") then
    local h = fs.open("/clearanceVariables","w")
    h.writeLine("GUEST")
    h.close()
end
if fs.exists("/securityVariables") then
--do nothing
elseif not fs.exists("securityVariables") then
    local i = fs.open("/securityVariables","w")
    i.writeLine("2")
    i.close()
end
shell.run("mainloop")