/usr/share/doc/lua50/examples/printf.lua is in lua50 5.0.3-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | -- an implementation of printf
function printf(...)
io.write(string.format(unpack(arg)))
end
printf("Hello %s from %s on %s\n",os.getenv"USER" or "there",_VERSION,os.date())
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