清理旧数据的小脚本

 1 #!/bin/bash
 2 # Author      : standby
 3 # Date        : 2017-05-09
 4 # Description : Clean the old files and dirs to free the local disk.
 5 #                   - file keep 2 days.
 6 #                   - dir  keep 5 days and less 5 files contained.
 7 
 8 NGX_CONF="/usr/local/nginx/conf/nginx.conf"
 9 
10 # Get the dev which contains ./path/ 
11 function get_point()
12 {
13     arr=(`df -HT |grep -v ‘Filesystem‘ |grep -E ‘[0-9]{1,2}T‘ |awk ‘{print $NF}‘`)
14     for dev in ${arr[*]}
15     do
16         [ -d $dev"/somePath" ] && point=$dev && break
17     done
18     echo $point
19 }
20 
21 # Start here...
22 point=$(grep ‘/path;‘ $NGX_CONF |awk -F / ‘{print "/"$2}‘)
23 if [ ! -z $point ]
24 then
25     res=$(echo $point |grep -v ‘ ‘ |wc -l)
26     [ $res -eq 0 ] && point=`get_point`
27 else
28     point=`get_point`
29 fi
30 
31 # Clean the old files which contains [*.cpp | *.jpg | *.c] and keep 2 days only.
32 find $point/somePath -ctime +1 -type f -name "*.c" -exec /bin/rm -f {} \;
33 
34 # Clean the old ./path/some_sub_dirs which created 5 days ago and has less 5 files contained.
35 for i in $(find $point/somePath -ctime +4 -type d ! -name "*except_dir*")
36 do
37     [ $i == $point"/somePath" ] && continue
38     #ls -ld --time-style=long-iso $i |awk ‘{print $6" "$7}‘
39     num=$(ls -l $i |grep ‘^-‘ |wc -l)
40     [ $num -lt 5 ] && rm -rf $i
41 done