#!/bin/sh grep '^[A-Za-z:]*Error ' /var/web/mo/log/production.log | grep -v 'ActionController::RoutingError' | grep -v 'ActiveRecord::RecordNotFound' > /var/web/mo/log/errors.new touch /var/web/mo/log/errors.old diff /var/web/mo/log/errors.new /var/web/mo/log/errors.old mv /var/web/mo/log/errors.new /var/web/mo/log/errors.old