gfc.lua

gml=require("gml")

--check=require("/sides.lua")
component=require("component")
power = false

rs=component.redstone


--------------------------GUI-------------------------------
gui=gml.create("center","center",100,80)

  gui:addButton("center",-1,10,1,"Close",gui.close)

  gui:addButton("center",-3,10,1,"Run",check)



function check()
if rs.getInput(0)~=0 then
  print("start")
  power = true
  rs.setOutput(4,1)
else
  print("fail")
  power = false
  rs.setOutput(4,0)
end

end

gui:run()

check()


function loop()

while power == true do
  print("hello world")
  os.sleep(2)
check()
end

end