Linux使用shell脚本定时删除历史日志文件

  [root@www tools]# tree tools/  tools/  ├── bin  │  ├── del_history_files  │   └── etc    ├── del_history_files.cfg     2 directories, 2 files

  [root@www tools]# more tools/bin/del_history_files  #!/bin/sh     # 删除指定目录下，文件时间早于指定时间节点的文件，时间粒度：小时  # 配置文件格式 ： 需清理的目录=小时数  #  #  # define restricted path  PATH="/bin:/usr/bin:/sbin:/usr/sbin"     # adirname - return absolute dirname of given file  adirname() { odir=`pwd`; cd `dirname $1`; pwd; cd "${odir}"; }        # ---------  # constants  # ---------  MYNAM=`basename "$0"`  MYDIR=`adirname "$0"`  MYCFG="${MYDIR}/../etc/${MYNAM}.cfg"  MYTMP="${MYDIR}/../tmp"  MYLCK="${MYTMP}/${MYNAM}.lock"     # perform some locking (as good as it gets in a shell)  [ -s "${MYLCK}" ] && kill -0 `cat "${MYLCK}"` 2>/dev/null &&      die "${MYNAM}: already running!"  echo "$$" > "${MYLCK}"     PATHS=(`cat ${MYCFG}`)  for PP in ${PATHS[@]}  do    APP_PATH=`echo ${PP} | awk -F'=' '{print $1}'`    N=`echo ${PP} | awk -F'=' '{print $2}'`      if [ -d ${APP_PATH} ] ; then      T=`/bin/date --date "${N} hours ago" "+%Y%m%d%H%M"`      TMP_FILE="/tmp/`echo ${PP} | md5sum | awk '{print $1}'`"      touch -t ${T} ${TMP_FILE}      find ${APP_PATH} ! -newer ${TMP_FILE} -type f -print0 | xargs -0 -n 100 rm -rf      find ${APP_PATH} -type d -empty -print0 | xargs -0 -n 100 rm -rf &> /dev/null      fi  done     rm -rf ${MYLCK}

  [root@www tools]# more tools/etc/del_history_files.cfg  #需清理的目录=小时数  /home/logs/nginx=720  /home/logs/varnish=720

  [root@www tools]# more /etc/crontab  SHELL=/bin/bash  PATH=/sbin:/bin:/usr/sbin:/usr/bin  MAILTO=root  HOME=/  #clear old logs  00 6 * * * root /home/tools/bin/del_history_files

您可能感兴趣的文章: