Check for which cocoapods are used or not used in your project. Super rough and not 100% accurate right now

pod-use-check.rb

#!/usr/bin/env ruby
#
#
#

$pods = Array.new
File.open("Podfile", "r") do |infile|
  while (line = infile.gets)
    pod = line.split(',')[0]
    if !pod["pod"].nil? && pod[0] != '#'
      $pods << pod.split(' ')[1][1...-1]
    end
  end # while line
end # end file reading

# puts pods

projectName = ''
Dir.glob('*.xcworkspace').each do |file|
  projectName = file.split('.')[0]
end

puts projectName
usedPods = Array.new

def check_import(import)
  values = import.split('/')
  values.each { |value|
    if $pods.include? value
      return value
    end
  }
  return nil
end


Dir.glob("#{projectName}/**/*.{h,m,pch}") do |file|
  File.open(file, "r") do |infile|
    while (line = infile.gets)
      if !line['#import'].nil?
        import = line.split(' ')[1][1...-3]
        podname = check_import import
        if !(podname).nil?
          usedPods << podname
        end
      end
    end
  end # reading files
end # directory search

puts "### Used Pods ###"
puts usedPods

puts "### Unused Pods ###"
puts $pods - usedPods