开发者

shell实现目录增量备份的示例代码

auto_backup_system.sh 

#针对目录进行备份;每周1-6执行增量备份,每周日(值为:0 or 7)执行全备份

#!/bin/bash
#Automatic Backup linux System Files
#By Author xiaoheiyaoshangtian
#2024/x/x

source_dir=($*)
target_dir=/tmp
year=$(date +%Y)
month=$(date +%m)
day=$(date +%d)
week=$(date +%u)
files=system_backup.tar.gz
code=$?

if [ -z $source_dir ];then
  echo -e "Please Enter File or Directory You Need to Backup:\n--------------------------------------------------\nExample    $0 /boot /etc ......"
  exit
fi

#determin whether the target directory exists
if [ ! -d $target_dir/$year/$month/$day ];then
  mkdir -p $target_dir/$year/$month/$day
  echo "This $target_dir/$year/$month/$day created successfully!"
fi

#exec full backup function command
full_backup()
{
  if [编程客栈 "$week" -eq "0" ];then
    rm -rf $target_dir/snapshot
    cd $target_dir/$year/$month/$day
    tar -g $target_dir/snapshot -czvPf $files $(echo ${source_dir[@]})
    [ "$code" == "0" ]&&echo -e "---------------------------------------\nfull_backup system files backup successfully!"
  fi
}

#perform incremental backup function command
add_backup()
{
  cd $target_dir/$year/$month/$day
  if [ -f $target_dir/$year/$month/$day/$files ];then
    read -p "$files already exists,overwrite confirmation yes or no(default yes)?:" sure
    if [ "$sure" == "no" -o "$sure" == "n" -o "$sure" == "N" -o python"$sure" == "NO" -o "$sure" ==  "No" ];then
      sleep 1
      exit 0
    fi
    if [ $weekphp -ne "0" ];then
    cd $target_dir/$year/$month/$day
    tar -g $target_dir/snapshot -czvPf $$_$files $(echo ${source_dir[@]})
    [ "$code" == "0" ]&&echo -e "---------------------------------------\nadd_backup system files backup successfully!"
    fi
  else
    if [ $week -ne "0" ];then
    cd $target_dir/$year/$month/$day
    tar -g $target_dir/snapshot -czvPf $files $(echo ${source_dir[@]})
    [ "$code" == "0" ]&&echo -e "---------------------------------------\nadd_backup system files backup successfully!"
    fi
  fi 
}

full_backup
add_backup

验证:

[root@logstash ~]# sh auto_backup_system.sh
Please Enter File or Directory You Need to Backup:
--------------------------------------------------
Example    auto_backup_system.sh /boot /etc ......
[root@logstash ~]# 
[root@logstash ~]# sh auto_backup_system.sh /tmp
This /tmp/2024/06/21 created successfully!
tar: /tmp: Directory is new
tar: /tmp/.ICE-Unix: Directory is new
tar: /tmp/.Test-unix: Directory is new
tar: /tmp/.X11-unix: Directory is new
tar: /tmp/.XIM-unix: Directory is new
tar: /tmp/.font-unix: Directory is new
tar: /tmp/2024: Directory is new
tar: /tmp/2024/06: Directory is new
tar: /tmp/2024/06/21: Directory is new
/tmp/
/tmp/.ICE-unix/
/tmp/.Test-unix/
/tmp/.X11-unix/
/tmp/.XIM-unix/
/tmp/.font-unix/
/tmp/2024/
/tmp/2024/06/
/tmp/2024/06/21/
/tmp/snapshot
/tmp/2024/06/21/system_backup.tar.gz
---------------------------------------
add_backup system files backup successfully!
[root@logstash ~]# 
[root@logstash ~]# sh auto_backup_system.sh /tmp
system_backup.tar.gz already exists,overwrite confirmation yes or no(default yes)?:no
[root@logstash ~]# 
[root@logstash ~]# sh auto_backup_system.sh /tmp
system_backup.tar.gz already exists,ovejsrwrite confirmation yes or no(default yes)?:
/tmp/
/tmp/.ICE-unix/
/tmp/.Test-unix/
/tmp/.X11-unix/
/tmp/.XIM-unix/
/tmp/.font-unix/
/tmp/2024/
/tmp/2024/06/
/tmp/2024/06/21/
/tmp/2024/06/21/2577_system_backup.tar.gz
---------------------------------------
add_backup system files backup successfully!
[root@logstash ~]# 
[root@logstash tmp]# ls
2024  snapshot
[root@logstash tmp]# 
[root@logstash tmp]# cd 20编程客栈24/
[root@logstash 2024]# cd 06/21/
[root@logstash 21]# ls
2577_system_backup.tar.gz  system_backup.tar.gz
[root@logstash 21]# 

到此这篇关于shell实现目录增量备份的示例代码的文章就介绍到这了,更多相关shell 目录增量备份内容请搜索编程客栈(www.devze.com)以前的文章或继续浏览下面的相关文章希望大家以后多多支持编程客栈(www.devze.com)! 

0

上一篇:

下一篇:

精彩评论

暂无评论...
验证码 换一张
取 消

最新运维

运维排行榜