/usr/share/doc/ruby1.8-examples/examples/fact.rb is in ruby1.8-examples 1.8.7.352-2ubuntu1.6.
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 8 9 | def fact(n)
return 1 if n == 0
f = 1
n.downto(1) do |i|
f *= i
end
return f
end
print fact(ARGV[0].to_i), "\n"
|