a0s · November 5, 2019 14:14 · a0s · May 17, 2015 · kaymmm · May 23, 2015
diff --git a/brew-cask-cleanup.rb b/brew-cask-cleanup.rb
 #!ruby

 # Requirements:
 #   brew install trash

 casks_path = '/opt/homebrew-cask/Caskroom'

 class Version < Array
  def initialize s
    super(s.split('.').map { |e| e.to_i })
  end
  def < x
    (self <=> x) < 0
  end
  def > x
    (self <=> x) > 0
  end
  def == x
    (self <=> x) == 0
  end
 end

 if `brew list | grep trash`.empty?
  puts 'Please make "brew install trash" before'
  exit!
 end

 Dir[File.join(casks_path, '*')].each do |cask_path|
  versions = Dir[File.join(cask_path,'*')].map{|i| File.basename(i)}

  next if versions.include?('latest')
  next if versions.size == 1

  versions.sort! do |b, a|
    a, b = Version.new(a), Version.new(b)
    if a == b
      0
    elsif a < b
      -1
    else
      1
    end
  end

  versions.shift
  versions.each do |version|
    path = File.join(cask_path, version)
    puts `trash #{path}`
  end
 end
	#!ruby

	# Requirements:
	# brew install trash

	casks_path = '/opt/homebrew-cask/Caskroom'

	class Version < Array
	def initialize s
	super(s.split('.').map { \|e\| e.to_i })
	end
	def < x
	(self <=> x) < 0
	end
	def > x
	(self <=> x) > 0
	end
	def == x
	(self <=> x) == 0
	end
	end

	if `brew list \| grep trash`.empty?
	puts 'Please make "brew install trash" before'
	exit!
	end

	Dir[File.join(casks_path, '*')].each do \|cask_path\|
	versions = Dir[File.join(cask_path,'*')].map{\|i\| File.basename(i)}

	next if versions.include?('latest')
	next if versions.size == 1

	versions.sort! do \|b, a\|
	a, b = Version.new(a), Version.new(b)
	if a == b
	0
	elsif a < b
	-1
	else
	1
	end
	end

	versions.shift
	versions.each do \|version\|
	path = File.join(cask_path, version)
	puts `trash #{path}`
	end
	end