added an option_parser class to use with the command line binary

bin/pastebinner

@@ -1,10 +1,9 @@
 #!/usr/bin/env ruby
 require '../lib/pastebinner'
-require 'optparse'
+require '../lib/option_parser'
 
 # setup our object and grab a session key
 pb =  Pastebinner.new(ENV['pastebin_api_key'], ENV['pastebin_username'], ENV['pastebin_password'])
-api_dev_key = ENV['pastebin_api_key']
 
 # pass in the Pastebinner.new client.
 # will download all of the raw pastes from the public scrape results into each own file in data dir.
@@ -16,51 +15,23 @@ def download_pastes(pb)
   end
 end
 
-opts = {}
+options = OptionParser.parse!
 
-OptionParser.new do |parser|
-  parser.banner = "Usage: pastebinner [options]"
-
-  parser.on('-h', '--help', "Show this help message") do ||
-    puts parser
-    exit
-  end
-  parser.on('-s', '--scrape_public', "Scrape public pastes") do |s|
-    opts[:s] = true
-  end
-  parser.on('-r', '--raw', "Raw paste. Requires --key passed with a valid key") do |r|
-    opts[:r] = true
-  end
-  parser.on('-k', '--key=', "Unique paste key") do |k|
-    opts[:k] = k
-  end
-  parser.on('-g', '--get_keys', "Get unique paste keys from public pastes") do |g|
-    opts[:g] = true
-  end
-  parser.on('-d', '--download', 'Download all public pastes to data directory.') do |d|
-    opts[:d] = true
-  end
-  parser.on('-t', '--trending', 'Trending pastes.') do |t|
-    opts[:t] = true
-  end
-
-end.parse!
-
-if opts[:s]
+if options[:s]
   puts pb.scrape_public_pastes
-elsif opts[:r] and opts[:k]
-  key = opts[:k]
+elsif options[:r] and options[:k]
+  key = options[:k]
   puts pb.raw_paste_data(key)
-elsif opts[:t]
+elsif options[:t]
   puts pb.list_trending_pastes
-elsif opts[:g]
+elsif options[:g]
   r = pb.scrape_public_pastes
   puts pb.get_unique_paste_keys(r)
-elsif opts[:d]
+elsif options[:d]
   puts "Downloading paste data into the data directory..."
   download_pastes(pb)
   puts "Complete."
-else opts = false
+else options = false
  puts 'please provide arguments'
  exit
 end

lib/option_parser.rb

@@ -0,0 +1,43 @@
+require 'optparse'
+
+class OptionParser
+  def self.parse!(argv = ARGV)
+    options = {}
+    OptParse.new do |opts|
+      opts.default_argv = argv
+
+      opts.banner = "Usage: pastebinner [options]"
+
+      opts.on('-h', '--help', 'Show this help messae') do ||
+        puts opts
+        exit
+      end
+
+      opts.on('-s', '--scrape_public', 'Scrape public pastes') do |s|
+        options[:s] = true
+      end
+
+      opts.on('-r', '--raw', 'Raw paste. Requires --key passed with a valid key') do |r|
+        options[:r] = true
+      end
+
+      opts.on('-g', '--get_keys', 'Get unique paste keys from public pastes') do |g|
+        options[:g] = true
+      end
+
+      opts.on('-k', '--key=', 'Unique paste key') do |k|
+        options[:k] = k
+      end
+
+      opts.on('-d', '--download', 'Download all public pastes to data directory') do |d|
+        options[:d] = true
+      end
+
+      opts.on('-t', '--trending', 'Trending pastes') do |t|
+        options[:t] = true
+      end
+      opts.parse!
+    end
+    options
+  end
+end