#!/bin/bash if [ "$#" -ne 1 ]; then echo This script checks the input file to verify that it is sorted echo "$0 " exit 1 fi LC_ALL=C sort -c $1 retval=$? if [ $retval -ne 0 ]; then echo echo "[ERROR] $1 is not properly sorted. Please sort it with the following commands:" echo echo " LC_ALL=C sort < $1 > $1.tmp" echo " mv $1.tmp $1" echo fi exit $retval