需求：

每天有排程任務執行，會產生大量log等檔案。導致伺服器空間報警不足。又不能直接rm掉。所以壓縮後弄到備份機器上。

log目錄多如：

根據檔名匹配出6個月前的檔案。進行壓縮備份。並rm掉以省出空間。

 壓縮後：

指令碼描述：

work_path：自動獲取當前檔案所在絕對路徑；

set timeout：expect的超時時間。單位S，設定-1時為永不超時。

#clear six months ago files to tar and scp...

echo "Please wait..."  
work_path
 
=$(dirname $(readlink -f $0))
#get now_path
fileEnd=${work_path##*/};
m=`date -d "6 months ago" +%Y%m`  
#now=`date -d "0 months ago" +%Y%m`  
index=0  
f=`ls $work_path -1 -c`  
for name in $f  
do  
    n=`expr "$name" : '.*\([0-9]\{8\}\).*'`  
    if [ "$n" != "" ] && [ "$n" -le "$m"
 
31 ]   
    then  
        f[$index]="$work_path/$name"  
    else  
        f[$index]=""  
    fi  
    (( index ++ ))  
done  
  
str=${f[@]}  
if [ "${#str}" -gt 0 ]  
then  

    tar -zcvf $work_path/logbak_$m.tar.gz $str && rm -rf $str
    echo "tar.gz finished!"
else  
    echo 
 
"No files found."  
    exit 0  
fi  
  
echo "tar.gz maked, now delete old files."  
#rm -fr $str  

echo "rm finished,start scp to ptfLogsBackup"
backupMachine=你的遠端備份ip;
backupMachinePath=備份ip的目的path;

set timeout 300
##if bak_file not exists,creating...
/usr/bin/expect<<EOF
spawn ssh 遠端ip的[email protected]$backupMachine "\[ -d $backupMachinePath/$fileEnd \] && echo ok, file exists.. || mkdir -p $backupMachinePath/$fileEnd"
expect "password:"
send "遠端ip的password\r"
expect EOF
EOF
#scp sending...
/usr/bin/expect<<EOF
spawn bash -c "scp -r $work_path/*.tar.gz 遠端ip的[email protected]$backupMachine:$backupMachinePath/$fileEnd && rm -rf $work_path/*.tar.gz"
expect "password:"
send "遠端ip的password\r"
expect EOF
EOF

echo "scp tar.gz files finished!"

echo "done."  
exit 0  

參考：

http://cache.baiducontent.com/c?m=9d78d513d9821bf806b3837e7c01a76c0e208b744ca0c76309c39238841551563161f4ca23356677c4c40c7077ac5e2ce1e74702207727a09ab89f3baaace32e38f85623046b9206528d16f58d0067d621e347f4ea5ca2adf04592aad085820544ca245427dfedda075c529d33b60932e4bb9b4c17540db9ee2d66ff5d752b9a264aa1408de6376a0286f7d85f4bd42aa7204bd1f06b&p=b43ec45b86cc43fa0be2963e45&newp=882a9706c0875ab70be2960c4553d8224216ed603cd5c44324b9d71fd325001c1b69e7bf24201001d8c4786d03a54f5feef23078341766dada9fca458ae7c46b39cc3c2c&user=baidu&fm=sc&query=shell+%B8%F9%BE%DD%C8%D5%C6%DA%D1%B9%CB%F5%CE%C4%BC%FE&qid=84fa9ad00000d3a8&p1=4

瞭解shell中、、有的地方寫的有點爛。每天學習一點