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Asked: 2026-05-13T21:08:52+00:00

What is the fastest, most optimized, one-liner way to get an array of the

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What is the fastest, most optimized, one-liner way to get an array of the directories (excluding files) in Ruby?

How about including files?

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  1. Editorial Team
    Dir.glob("**/*/") # for directories
Dir.glob("**/*") # for all files

    Instead of Dir.glob(foo) you can also write Dir[foo] (however Dir.glob can also take a block, in which case it will yield each path instead of creating an array).

    Ruby Glob Docs

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