grep -E '^cu.' log.txt | sed 's/([^)])//g' | sort | uniq > uniq_host.txt cat .log | grep "^Unrecognized s" | grep -Eo '([^])' | sed -E 's/^((@\w+ )?[^[:space:]])./\1/' | sort | uniq > uniq_statements.txt cat *.log | grep "^Unrecognized d" | grep -Eo '([^`]*)`' | sed -E 's/^`([^`]*)`/\1/' | sort | uniq > uniq_directives.txt