accept file from stdin

sorter.rb

@@ -20,6 +20,7 @@
 require 'json'
 require 'pp'
 require 'csv'
+require 'optparse'
 
 #bin_counter expects:
 # bin - a hash with strings to search for
@@ -62,8 +63,18 @@ def strip_text (text, start, fin)
   text.lines(start,chomp: true)[1].lines(fin,chomp: true)[0]
 end
 
+options = Hash.new
+OptionParser.new do |opts|
+  opts.banner = 'sorter.rb --options'
+  opts.on("-f", "--file file", "Name of the file to process") do |file|
+    options[:file] = file
+  end
+end.parse!
+
+
 csv = CSV.read('./bins.csv')
 text = File.read('tester.txt')
+text = File.read(options[:file])
 text = strip_text(text,'PLOVEINTAKE','PLOVECLOSING')
 output = Hash.new #Creating the output storage object
 bins = Hash.new #This hash stores the bins