cat access_log | grep "^kolpino-city.ru" | grep " 404 " | grep -vE "Mozilla/5\.0 \(compatible;[^)]+?(bot|Bot)" | grep -v "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)" | grep -vE "Twitterbot|Google-HTTP-Java-Client|Feedfetcher|NING|Java/1\.|Mozilla/5\.0 \(\)|MetaURI|FeedDemon|Windows-RSS|RSSOwl|WebBot|AntBot|msnbot|Synapse|Yahoo|mbot" | awk -F'"' {'print $6'} | sort | uniq -cd | sort -n