Contents

#!/usr/bin/env ruby
# frozen_string_literal: true

require 'nokogiri'
require 'optparse'

opts = {}
OptionParser.new do |options|
  options.on('-aXML', '--xml-a=XML', '<Required - First XML to Compare)>') do |x1|
    opts[:x1_path] = x1
  end

  options.on('-bXML', '--xml-b=XML', '<Required - Second XML to Compare)>') do |x2|
    opts[:x2_path] = x2
  end

  options.on('-dDIFF', '--xml-diff=DIFF', '<Required - Path of XML Diff to Generate)>') do |d|
    opts[:diff_path] = d
  end
end.parse!

if opts.empty?
  puts `#{$PROGRAM_NAME} --help`
  exit 1
end

# Compare the diff of two XML files using the nokogiri gem in Ruby
# and output the diff to a new XML file using the same format as the
# the original XML files.
begin
  x1_path = opts[:x1_path]
  x2_path = opts[:x2_path]
  diff_path = opts[:diff_path]

  x1 = Nokogiri::XML(File.open(x1_path))
  x2 = Nokogiri::XML(File.open(x2_path))

  diff = x1.diff(x2)
  diff_xml = Nokogiri::XML::Builder.new do |xml|
    xml.diff do
      diff.each do |change|
        xml.send(change.action, change.node.to_xml) unless change.action == '='
      end
    end
  end

  File.write(diff_path, diff_xml.to_xml)
rescue StandardError => e
  puts "Error: #{e.message}"
  exit 1
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
pwn-0.4.695	bin/pwn_diff_xml_files