blob: 196b30a1f022c1c565688679b6e0daa401ec0267 (
plain)
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function source.empty(err)
return function()
return nil, err
end
end
function source.file(handle, io_err)
if handle then
return function()
local chunk = handle:read(20)
if not chunk then handle:close() end
return chunk
end
else return source.empty(io_err or "unable to open file") end
end
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