ruby parser for scala dependency xmls

pom_csv.rb

# input is an default-*-build-compile.xml generated by scala/sbt
# output is a csv with headers: name version homepage summary license license_url org

require 'nokogiri'
require 'csv'

infile = ARGV[0]
infile_name = infile.split('.')[0..-2].join('.')

f = File.open(ARGV[0])
doc = Nokogiri::XML(f)
f.close

CSV.open("#{infile_name}.csv", 'w') do |o|
  o << %w(name version homepage summary license license_url org)
  doc.css('module').each do |mnode|
    name = mnode.attributes['name'].value if (mnode.attributes['name'])
    version = mnode.css('revision').first.attributes['name'].value if (mnode.css('revision').first && mnode.css('revision').first.attributes['name'])
    homepage = mnode.css('revision').first.attributes['homepage'].value if (mnode.css('revision').first && mnode.css('revision').first.attributes['homepage'])
    license = mnode.css('license').last.attributes['name'].value if (mnode.css('license').last && mnode.css('license').last.attributes['name'])
    license_url = mnode.css('license').last.attributes['url'].value if (mnode.css('license').last && mnode.css('license').last.attributes['url'])
    org = mnode.attributes['organisation'].value if (mnode.attributes['organisation'])
    o << [
      name,
      version,
      homepage,
      "",
      license,
      license_url,
      org
    ]
  end
end