analyze macports package list

main.rb

#!/usr/bin/ruby

IO.popen("port -q installed", "r") do |port|

  while line = port.gets
    md_active = line.match(/\(active\)/)
    is_active = md_active

    if is_active
      
      md_version = line.match(/@([^\s]+)/)
      version_full = md_version[1]
      version_ary = version_full.split("+")
      version_num = version_ary[0]
      variation_ary = version_ary[1..-1]
      
      md_pkgname = line.match(/^\s*([^\s@]+)/)
      pkgname = md_pkgname[1]

      printf "%s -universal\n", pkgname

    end
    
  end

end