192.168.189.30配置

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crontab -l
0 */1 * * * /usr/sbin/ntpdate time.tvmining.com && /sbin/hwclock -w >/dev/null 2>&1
*/1 * * * * /opt/script/clear_file.sh 7 >/dev/null 2>&1
15,45 * * * * /opt/script/clear_path.sh 7 >/dev/null 2>&1
01 04 * * * /opt/script/clear_m3u8.sh 7 >/dev/null 2>&1

[root@localhost bin]# vi /etc/cron.d/synctime

#!/bin/bash

PATH=/sbin:/bin:/usr/sbin:/usr/bin:$PATH
n=${1:-7}

current=‘/opt/script‘
patharray=‘/opt/online01/preview /opt/online01/stream‘
year=`date +‘%Y‘ -d "$n day ago"`
month=`date +‘%m‘ -d "$n day ago"`
day=`date +‘%d‘ -d "$n day ago"`
currtime=`date +‘%Y%m%d_%H%M‘ -d "$n day ago"`
currlog=`date +‘delete_%Y%m%d.log‘ -d "$n day ago"`

for delfile in `ls $current/delete_*.log`; do
    if [ "$current/$currlog" != "$delfile" ]; then
        rm -f "$delfile"
    fi
done

if [ ! -e "$current/$currlog" ]; then
    for datapath in $patharray; do
        find $datapath -maxdepth 3 -type d -name $year >> "$current/$currlog"
    done
fi


cat "$current/$currlog" | while read -r line
do
    if [ -d "$line/$month/$day" ]; then
        `rm -rf $line/$month/$day/*$currtime*` >/dev/null 2>&1
#        echo "rm -rf $line/$month/$day/*$currtime*" >>"$current/test.log"
    fi
done

[root@localhost script]# cat  clear_path.sh
#!/bin/bash

PATH=/sbin:/bin:/usr/sbin:/usr/bin:$PATH
n=${1:-7}

current=‘/opt/script‘
patharray=‘/opt/online01/preview /opt/online01/stream‘

let "nn=$n+1"
ymd=`date +‘%Y/%m/%d‘ -d "$nn day ago"`

for delpath in $patharray; do
    for rate in `ls $delpath`; do
        for channel in `ls  "$delpath/$rate"`; do
            if [ -d "$delpath/$rate/$channel/$ymd" ]; then
                `rm -rf $delpath/$rate/$channel/$ymd` >/dev/null 2>&1
            fi
        done
    done
done


for datapath in $patharray; do
    for dd in `find $datapath -maxdepth 5 -mindepth 5 -type d -ctime +$n`; do
        `rm -rf $dd` >/dev/null 2>&1
        #echo "rm -rf $dd >/dev/null 2>&1"
    done

    for ((c=4; c>0; c--)); do
        for dp in `find $datapath -maxdepth $c -mindepth $c -type d`; do
            num=1
            num=`ls $dp | wc -l` >/dev/null 2>&1
            if [ $num -eq 0 ]; then
                `rmdir $dp` >/dev/null 2>&1
            fi
        done
    done
done

[root@localhost script]# cat clear_m3u8.sh
#!/bin/bash

PATH=/sbin:/bin:/usr/sbin:/usr/bin:$PATH
n=${1:-7}

patharray=‘/opt/online01/m3u8‘
let "dt=$n+1"

for datapath in $patharray; do
    for rate in `ls $datapath`; do

        for m3u8 in `find $datapath/$rate -type f -mtime +$dt`; do
            `rm -f $m3u8` >/dev/null 2>&1
        done

        if [ -d "$datapath/$rate" ]; then
            num=1
            num=`ls $datapath/$rate | wc -l` >/dev/null 2>&1
            if [ $num -eq 0 ]; then
                `rmdir $datapath/$rate` >/dev/null 2>&1
            fi
        fi

    done
done

192.168.189.30配置

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原文地址：http://www.cnblogs.com/lubing666666/p/4277362.html