Ruby file accepts from command prompt in the form of array.
Passing parameters
ruby input.rb TOI DH TimesNewAccessing parameters
# input.rb p ARGV # => ["TOI", "DH", "TimesNew"] p ARGV[0] # => "TOI" p ARGV[1] # => "DH"Optparser : parses commandline options in more effective way using OptParser class. and we can access options as hashed parameters.
Passing parameters
ruby input.rb -P"The Times of India" --category"article"Accessing parameters
# input.rb
require 'optparser'
options = ARGV.getopts("P:", 'category')
p options
# => { 'P' => 'The Times of India', :category => 'article' }
p options['P']
# => "The Times of India"
