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shell数据库关联文件处理 用shell脚本清除录音文件

发布时间:2014-12-07   编辑:jiaochengji.com
分享一例shell脚本,用于清除录音文件,学习下对数据库关联文件的处理办法,感兴趣的朋友可以作个参考。

本节内容:
一段用于清除录音文件的shell脚本。

有关 mysql数据结构的介绍,请参考文章:http://www.jiaochengji.com/db/13866.html 。此脚本增加了配置文件机制。

脚本很简单,主是要增加了配置读取,每次取出符合条件的号码,再对每个号码对应的录音标识(seq)进行数据库操作及文件操作。
主要提供一种思路,在运维过程中有很多类似的处理。

1,配置文件:
 

log=./log
#源目录
data=/home/wanggy/test_dir
#备份目录
topath=/home/wanggy/test_dir1
#mv 0,del 1
flag=0
#间隔时间(s)
interval=100
#处理多少天前的数据
days=10
#db
dbhost=192.168.1.14
dbuser=wanggy
dbpass=12345678
dbbase=gzy_call

2,shell代码:
 

复制代码 代码示例:
#!/bin/bash
# File Name: mybk_record.sh
# site: www.jiaochengji.com
# Created Time: 2013年08月07日 星期三 12时27分30秒
##-------------------------
run_config()
{
    awk -F= '{if ($1 == "'$1'") print$2}' record.cfg
}
env()
{
    dbhost=`run_config dbhost`
    dbbase=`run_config dbbase`
    dbuser=`run_config dbuser`
    dbpass=`run_config dbpass`
    flag=`run_config flag`
    data=`run_config data`
    topath=`run_config topath`
    log=`run_config log`
    interval=`run_config interval`
    days=`run_config days`
    echo "获取到的环境变量..."
    echo "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%"
    echo "dbhost-->$dbhost"
    echo "dbbase-->$dbbase"
    echo "dbusre-->$dbuser"
    echo "dbpass-->$dbpass"
    echo "flag-->$flag"
    echo "data-->$data"
    echo "topath-->$topath"
    echo "interval-->$interval"
    echo "days-->$days"
    echo "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%"
    sleep 5
}
run_main()
{
    while :
    do
        run_record_main
        sleep $interval
    done
}
run_record_main()
{
echo "begin......"
env
#每次程序运行只执行一次(取大于二条记录录音的主叫号码)
echo "#----------------------------------------------------------------------------------------------"
echo "[select count(*) from(select SUBSTR(callno,1,INSTR(callno,'#')-1) as callno, count(*)"
echo "from record where delflag =0 and begin_time < (now() - INTERVAL $days DAY) and imported = 1"
echo "group by SUBSTR(callno ,1,INSTR(callno,'#')-1) having count(*) > 1)]"
echo "#----------------------------------------------------------------------------------------------"
mysql -u$dbuser -p$dbpass -D$dbbase <<EOF >record
select SUBSTR(callno,1,INSTR(callno,'#')-1) as callno, count(*)
from record where delflag =0 and begin_time < (now() - INTERVAL $days DAY) and imported = 1
group by SUBSTR(callno ,1,INSTR(callno,'#')-1) having count(*) > 1;
EOF
sed -i '/callno/d' record
line=`wc -l record |awk '{print$1}'`
echo "此次共计$line号码需要处理......"
sleep 5
#对每个号码对应的录音文件进行操作,保留最新一条
for ((i=1;i<=line;i++));do
    telno=`awk -v c=$i 'NR==c {print$1}' record`
    mysql -u$dbuser -p$dbpass -D$dbbase <<EOF >telno
        select seq,path_relative from record where callno like '$telno%' order by seq desc;
EOF
    sed -i '/seq/d' telno
    telno_record_line=`wc -l telno |awk '{print$1}'`
    echo "`date "+%Y-%m-%d %H:%M:%S"` 正在处理$telno....."
    echo "`date "+%Y-%m-%d %H:%M:%S"` 正在处理$telno....." >>$log/record.log
    for ((j=2;j<=telno_record_line;j++));do
        seq=`awk -v c=$j 'NR==c {print$1}' telno`
        path=`awk -v c=$j 'NR==c {print$2}' telno`
        mysql -u$dbuser -p$dbpass -D$dbbase <<EOF
            update record set delflag=1 where seq='$seq';
EOF
    #判断是否成功
    res=`echo $?`
    if [ $res = 0 ];then
        case $flag in
            1)
                echo "`date "+%Y-%m-%d %H:%M:%S"` del $seq $data/$path"
                echo "`date "+%Y-%m-%d %H:%M:%S"` update record set delflag=1 where seq=$seq"
                echo "`date "+%Y-%m-%d %H:%M:%S"` del $seq $data/$path" >>$log/record.log
                echo "`date "+%Y-%m-%d %H:%M:%S"` update record set delflag=1 where seq=$seq" >>$log/record.log
                if [ -f $data/$path ];then
                    rm -rf $data/$path
                else
                    echo "$data/$path not exist,ignore!!!"
                fi
                ;;
            0)
                echo "`date "+%Y-%m-%d %H:%M:%S"` mv $seq $data/$path->$topath/$path"
                echo "`date "+%Y-%m-%d %H:%M:%S"` update record set delflag=1 where seq=$seq"
                echo "`date "+%Y-%m-%d %H:%M:%S"` mv $seq $data/$path->$topath/$path" >>$log/record.log
                echo "`date "+%Y-%m-%d %H:%M:%S"` update record set delflag=1 where seq=$seq" >>$log/record.log
                m_path=`echo $path |awk '{print$1"/"$2"/"$3"/"$4}'`
                m_file=`echo $path |awk '{print$5}'`
                if [ -f $data/$path ];then
                    mkdir -p $topath/$m_path
                    mv $data/$path $topath/$m_path/$m_file
                else
                    echo "$data/$path not exist,ignore!!!"
                fi
                ;;
        esac
    else
        echo "$telno->$seq update err [$res]"
        echo "$telno->$seq update err [$res]" >$log/record.log
    fi
    done
done
echo "end......"
}
main()
{
    #env
    run_main
}
main
exit 0

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