main.rb

@@ -46,6 +46,7 @@ def get_line_date(line)
     match = line.match(pattern)[0]
   else
     raise StandardError("Invalid datetime data detected!")
+    # Tests would help find the bug...
   end
   # [12/Apr/2023:13:56:41 +0100] -> 12/Apr/2023:13:56:41 +0100 -> Apr/2023
   Date.parse(match.gsub('[', '').gsub(']', '')).strftime('%b/%Y')
@@ -159,7 +160,8 @@ top_client_errors.each do |ip, count|
 end
 
 monthly_visits.each do |ip, visits|
-  puts "IP #{ip} had the following visits:"
+  puts "------------ BY DATE ---------------"
+  puts("IP #{ip} had the following visits:")
   visits.each do |date, count|
     puts "#{date}: #{count} visits"
   end