require 'find'
module Find
def match(*paths)
matched = []
find(*paths) { |path| matched << path if yield path }
return matched
end
module_function :match
end
Find.match('./') { |p| ext = p[-4...p.size]; ext && ext.downcase == '.mp3' }
# => ["./Music/The Snails - Red Rocket.mp3",
# "./Music/The Snails - Moonfall.mp3",
# "./Music/cancelled_download.MP3"]
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