shell脚本备份日志

#!/bin/sh
# back tomcat catalina.out

cd /home/log_bak  #the file
DATE=`date ‘+%Y%m%d-%H%M‘`
ARCHIVE=$DATE.tar.gz
file="tomcat_""$DATE.catalina.out"
#开始备份之前，将备份信息头写入日记文件
echo " " >> log.txt
echo " " >> log.txt
echo "———————————————–" >> log.txt
echo "BACKUP DATE:" $(date +"%y-%m-%d %H:%M:%S") >> log.txt
echo "———————————————– " >> log.txt

cp /tomcat/logs/catalina.out /home/log_bak/$file
sleep 10
tar czvf $ARCHIVE $file >> log.txt 2>&1
#判断catalina.out备份是否成功
if [[ $? == 0 ]]; then
    #创建备份文件的压缩包
#    tar czvf $ARCHIVE $LOG >> log.txt 2>&1
    #输入备份成功的消息到日记文件
    echo “[$ARCHIVE] Backup Successful!” >> log.txt 
    > /data/apache-tomcat-7.0.47/logs/catalina.out
    rm -f $file
    #只需保留备份文件的压缩包即可
else
    echo “catalina.out Backup Fail!” >> log.txt
fi
#输出备份过程结束的提醒消息
echo “Backup Process Done”