导读 Shell处理日志,自动保留30天的日志，如果超过14天的日志就自动压缩为gz格式存储下来，这样可以节省磁盘空间，也是定时备份日志，我这里是以日志文件举例的，其它的需求也可以自己根据脚本内容做调整。 
#!/bin/sh

################################################################

# (c) Copyright 2012 Eric. All rights reserved.

#

# Logs expired 30 days.

#

# *cron

# 1 6 * * * /bin/sh /var/app/shell/logs_arrange.sh > /var/app/shell/cron_logs_arrange.log

#

#

#

################################################################

TODAY=`date +%s`

# how many days ago will the logs to be zip

PK_DAYS_AGO=14

PK_DATEDIFF=`expr ${PK_DAYS_AGO} \* 86400`

PK_EXT=gz

# how many days ago will the logs to be removed

DAYS_AGO=30

DATEDIFF=`expr ${DAYS_AGO} \* 86400`

cleanDir(){

directory=$1

if [[ -d ${directory} ]];then

for file in `ls -1 ${directory} | grep -v '.log$'`;

do

ctime=`stat -c %Y ${directory}/${file}`

timediff=`expr ${TODAY} - ${ctime}`

extname=`ls ${directory}/${file} | awk -F '.' '{printf $NF}'`

if [[ ${extname} != ${PK_EXT} ]] ; then

if [[ -f ${directory}/${file} ]] ; then

zipta=`expr ${timediff} - ${PK_DATEDIFF}`

if [[ ${zipta} -gt 0 ]] ; then

echo "Package ${directory}/${file}"

gzip -f ${directory}/${file} > ${directory}/${file}.${PK_EXT}

fi

fi

fi

if [[ -f ${directory}/${file} ]];then

delta=`expr ${timediff} - ${DATEDIFF}`

if [[ ${delta} -gt 0 ]];then

echo "Removing ${directory}/${file}"

rm -rf ${directory}/${file}

fi

fi

done

fi

}

cleanDir "/var/app/logs/webapps/admin"

cleanDir "/var/app/logs/webapps/api"

cleanDir "/var/app/logs/webapps/pos"

原文来自：https://idc.wanyunshuju.com/sh/796.html

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