Convert Opera's .adr address book to CSV

convert.rb

#!/usr/bin/env ruby

require "csv"

File.open("contacts.adr", "r") do |f|
  contacts = []
  f.read.split("#CONTACT").each do |entry|
    unless entry.empty?
      contact = {}
      entry.each_line do |line|
        unless line.empty?
          k, v = line.strip.split("=")
          contact[k] = v
        end
      end
      contacts << contact
      # p contact
    end
  end

  str = CSV.generate do |csv|
    csv << %w(Name Email)
    contacts.each do |contact|
      csv << [contact["NAME"], contact["MAIL"]]
    end
  end


File.write("contacts.csv", str)

end

how to run ruby program named prog.rb

1. Go to the directory

   $ cd Ruby
   $ ls -la

-rw-r--r--@ ETC.

1. add the following header to the top of the ruby script

   !/usr/bin/env ruby

2. make file executable by running

   $ chmod +x prog.rb
   $ ls -la

-rwxr-xr-x@ ETC.

1. At terminal prompt, run

   $ ./prog.rb