check_backup.sh检查

#!/bin/bash
# This program is ...
# scriptname: check_backup.sh

set -e
set -u
TIME_YM=`date +%Y%m`
TIME_DAY=`date +%d`
DIR_BACKUP='/tmp/backup'
DIR_LOG="$DIR_BACKUP/log"
LOG="$DIR_BACKUP/log/check_backup.$TIME_YM$TIME_DAY.log"
MAIL='[e-mail]'


if [ ! -d $DIR_LOG ]; then
mkdir -p $DIR_LOG
fi

#show hosts
echo "check host's list"|tee -a $LOG
ls -1 $DIR_BACKUP|tee -a $LOG
#显示backup目录下面的所有文件

#list file
echo "byte                filename"|tee -a $LOG
for HOSTNAMES in ` ls $DIR_BACKUP|xargs `
do
DIR_TODAY="$DIR_BACKUP/$HOSTNAMES/$TIME_YM/$TIME_DAY"
if [ -e $DIR_TODAY ]; then
cd $DIR_TODAY
echo "****** $HOSTNAMES"|tee -a $LOG
ls * -l|gawk '/gz/||/cnf/ {printf "%-20s %s\n",$5,$9}' |tee -a $LOG
#关键部分,gawk,printf格式化字符串
else
echo "****** $HOSTNAMES"|tee -a $LOG
echo "Hostname: $HOSTNAMES" without the latest backup files |tee -a $LOG
fi
done

#send mail
if [ -r $LOG ]; then
cat $LOG |mail -s check_backup_status $MAIL
else
echo "backup is error" |mail -s backuperror $MAIL
fi
#把日志内容通过邮件发送.