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practicingruby/x.rb

Created April 7, 2014 20:29
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x.rb
MODES = { "0" => "---",
"1" => "--x",
"2" => "-w-",
"3" => "-wx",
"4" => "r--",
"5" => "r-x",
"6" => "rw-",
"7" => "rwx" }
def permissions(num)
num.to_s(8).chars.map { |n| MODES[n] }.join
end
p permissions(0640)
p permissions(0644)
p permissions(0777)
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