lastpass2keepass.rb

require 'nokogiri'
require 'csv'

template = Nokogiri::XML(DATA.read)
builder = Nokogiri::XML::Builder.with(template.at('group')) do |group|
  CSV.foreach('export', headers: true) do |row|
    group.entry do |entry|
      entry.title row['title']
      entry.username row['username']
      entry.password row['password']
      entry.url row['url']
      entry.comment row['notes']
      entry.icon 1
      entry.creation row['last_touch']
      entry.lastaccess row['last_touch']
      entry.lastmod row['last_touch']
      entry.expire 'Never'
    end
  end
end

puts builder.to_xml

__END__
<!DOCTYPE KEEPASSX_DATABASE>
<database>
 <group>
  <title>Internet</title>
  <icon>1</icon>
 </group>
 <group>
  <title>eMail</title>
  <icon>19</icon>
 </group>
</database>