16 lines
328 B
Lua
16 lines
328 B
Lua
function source.empty(err)
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return function()
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return nil, err
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end
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end
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function source.file(handle, io_err)
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if handle then
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return function()
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local chunk = handle:read(20)
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if not chunk then handle:close() end
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return chunk
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end
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else return source.empty(io_err or "unable to open file") end
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end
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