pulser

args = {...}
local i;
local f;
local pulser_set={}
if #args==0 then

if not fs.exists("pulsersetting") then print("enter sides to light up in arg");exit(1); end
f=fs.open("pulsersetting","r")
pulser_set= textutils.unserialize(f.readAll())
f.close()
else
pulser_set[1]=#args
for i=1, pulser_set[1] do
pulser_set[i+1]=args[i]

end
end
f=fs.open("pulsersetting","w")
f.write(textutils.serialize(pulser_set))
f.close()

while true do
for i=1, pulser_set[1] do
redstone.setOutput(pulser_set[i+1],true);
end
sleep(0.1)
for i=1, pulser_set[1] do
redstone.setOutput(pulser_set[i+1],false);
end
sleep(0.400)

end