#!/bin/sh if [ -n "$1" ]; then echo "" > /tmp/summary-rows while read line; do if [ -n "$(echo $line | grep '')" ]; then echo $line >> /tmp/summary-rows else if [ -n "$(echo $line | grep '')" ]; then tac /tmp/summary-rows fi echo $line fi done < $1 else echo "Error in reverse sorting summary." fi