Ruby - Find directory with specific name

Question

Assuming I have directory structure like

MyDir
  + Music
  + Movies
  + Pictures
  + Videos

How do I find directory called Pictures using Ruby?

Answer 1

You could capture the output of Dir.pwd and then use ls , like:

files = `ls #{Dir.pwd}`
p files # "Movies\nMusic\nPictures\nVideos\n"
p files.split.include? 'Pictures' # true

Or also using Open3 :

require 'open3'

files, = Open3.capture2('ls', Dir.pwd)
p files # "Movies\nMusic\nPictures\nVideos\n"
p files.split.include? 'Pictures' # true

Consider you're inside the MyDir folder.

Answer 2

Dir['MyDir/Pictures']

Unfortunately, it this won't return you an object, you can operate with, just an array. So if you want iterate over files in this directory, you should do something like the following

Dir['MyDir/Pictures/*'].each do |file_name|
  # do something
end