mysql数据库备份脚本

#!/bin/bash
date=`date +%Y%m%d`
path="/home/csrc/db_bak"
if [ ! -d "$path" ]; then
  mkdir -p "$path"
fi
filename=$path"/db.bak"$date".sql"
file="db.bak"$date".sql"
tarname=$path"/"$date".tar.gz"
tar=$date".tar.gz"
echo "#####################$date备份开始######################"
/usr/bin/mysqldump -uroot -p123456 --all-databases > $filename
cd $path
tar -zcvf $tar $file
rm -rf $file
          
for file_bak in ${path}/*;do
         echo $file_bak
    if [ "$file_bak" = "$tarname" ]; then
         echo "$date日备份已完成,路径为$tarname"
    else
         rm -rf $file_bak
         echo $file_bak" 备份文件已删除"
    fi
    
done