get_string and set_string appear not working

[lkjoel]

Here is my code:

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Code: Select all

minetest.register_abm({
nodenames = "nether:nether_portal_creator",
interval = 1.0,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
if nodemeta:get_string("generatingportal") == "" or nodemeta:get_string("generatingportal") == nil then
nodemeta:set_string("generatingportal", "true")
...
end
})

This is an ABM that runs every second, but it still reruns the same code, doesn't matter if generatingportal is not nil. Anyone has an idea on this issue?