diff --git a/ls.rb b/ls.rb
index e6c1006..d471a64 100644
--- a/ls.rb
+++ b/ls.rb
@@ -1,5 +1,26 @@
 # frozen_string_literal: true
 
+require 'optparse'
+
+def options
+  secret_files = {}
+  opt = OptionParser.new
+  opt.on('-a') { |v| params[:a] = v }
+  opt.on('-r') { |v| params[:r] = v }
+  secret_files[:dir] = opt.parse!(ARGV)[0]
+  secret_files
+end
+
+SELECTED = options
+
+def get_files(option_a: false)
+  if option_a
+    Dir.glob('*', File::FNM_DOTMATCH, base: SELECTED_OPTION[:dir])
+  else
+    Dir.glob('*', base: SELECTED[:dir])
+  end
+end
+
 COLUMNS = 3
 
 def run