diff --git a/wc.rb b/wc.rb
index b9ffa85..25aef9d 100644
--- a/wc.rb
+++ b/wc.rb
@@ -58,16 +58,20 @@ def print_total(total_stats, max_widths, options)
   puts "#{total_result} 合計"
 end
 
-options, input_sources = parse_options
-total_stats = [0, 0, 0]
-max_widths = [0, 0, 0]
+def process_input_sources(input_sources, options)
+  total_stats = [0, 0, 0]
+  max_widths = [0, 0, 0]
 
-input_sources.each do |source|
-  stats = process_input(source)
-  total_stats = update_totals(total_stats, stats)
-  max_widths = update_max_widths(max_widths, stats)
-  result = format_result(stats, max_widths, options)
-  print_result(result, source)
+  input_sources.each do |source|
+    stats = process_input(source)
+    total_stats = update_totals(total_stats, stats)
+    max_widths = update_max_widths(max_widths, stats)
+    result = format_result(stats, max_widths, options)
+    print_result(result, source)
+  end
+
+  print_total(total_stats, max_widths, options) if input_sources.size > 1
 end
 
-print_total(total_stats, max_widths, options) if input_sources.size > 1
+options, input_sources = parse_options
+process_input_sources(input_sources, options)