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/gist:9e4cb4287c06f3bb6980dda73f86954e Secret

Created June 1, 2016 07:22
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gistfile1.txt
$ find . -type f -exec echo {} +
./a/a/x ./a/b/c/x ./a/c/x
$ irb
irb(main):001:0> Dir.glob("*")
=> ["a"]
irb(main):002:0> Dir.glob("*/*")
=> ["a/a", "a/b", "a/c"]
irb(main):003:0> Dir.glob("**/*")
=> ["a", "a/a", "a/a/x", "a/b", "a/b/c", "a/b/c/x", "a/c", "a/c/x"]
irb(main):004:0>
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