diff --git a/ls.rb b/ls.rb
index 32791b5..362f733 100644
--- a/ls.rb
+++ b/ls.rb
@@ -1,25 +1,10 @@
 # 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[:dir])
-  else
-    Dir.glob('*', base: SELECTED[:dir])
-  end
-end
+opt = OptionParser.new
+params = {}
+opt.on('-a') { |x| params[:a] = x }
+opt.parse(ARGV)
 
 COLUMNS = 3
 
@@ -31,7 +16,11 @@ def run
 end
 
 def list_filenames
-  Dir.glob('*')
+  if ARGV[0]
+    Dir.glob('*', File::FNM_DOTMATCH)
+  else
+    Dir.glob('*')
+  end
 end
 
 def slice_filenames(listed_filenames)