Get the UUID from your dSYM.

get_uuid_from_dsym.rb

#! /usr/bin/ruby

# You should pass the dSYM path from the dSYM file you
# want to lookup the UUID from.
unless ARGV.count == 1
  puts '!!! You should pass the dSYM path in order to lookup the UUID.'
  exit
end
dsym_path = ARGV.first

# Check if the dSYM file exists.
puts '--- Checking the dSYM file path.'
unless File.exist?(dsym_path)
  puts '!!! The dSYM file does not exist at the file path'
  exit
end

# Fetch the UUID from your dSYM
puts '--- Fetching the UUID.'
shell_command = 'mdls -name com_apple_xcode_dsym_uuids'
shell_command << " -raw '#{dsym_path}'"
shell_command << ' | grep -e \" | sed \'s/[ |\"]//g\''

puts '--- Here is the UUID information:'
output = `#{shell_command}`
output = output.gsub("\n", "")
output.split(",").each do |uuid|
  puts "*** #{uuid}"
end