Thanks Ryan for the idea.
FVXR2WIWNIAO4ZXKH6EXCJSJN67CLMRPXHCCJ3VFMHANAAK6YMBQC
run_screen = function(screen_name)
local contents = love.filesystem.read('screens/'..screen_name)
if contents == nil then
print("couldn't read screen "..screen_name)
return
end
local f, error = loadstring(contents, screen_name)
if f == nil then
print(screen_name..': '..error)
return
end
f()
end