Added optionparser into converter

converter/converter.rb

@@ -0,0 +1,19 @@
+require 'optparse'
+
+options = {}
+OptionParser.new do |parser|
+  parser.on('--output=OUTPUT',
+            'The output can be json, rss or atom file extension') do |output|
+    options[:output] = output
+  end
+
+  parser.on('--input=INPUT', 'Enter the path to the file') do |input|
+    options[:input] = input
+  end
+
+  parser.on('--sort[=asc]', 'Enter asc or desc') do |sort|
+    options[:sort] = sort
+  end
+end.parse!
+
+puts options