shell 脚本修改crontab实例

时间：2008-04-19 来源：sdccf

作者：lg 出处：china-lg.com

脚本一

#!/bin/bash

#cron_file='/home/zary/b';
cron_tmp='/home/zary/d';
cronpath="/home/zary/b";
cronbak='/home/zary/f';
parameter=;

if [ "$parameter" = "change" ]
then
    cp $cronpath $cronbak;
    sed -e '/c_check_mysqlstatus\.sh/s/^#//' -e '/c_check_webstatus\.sh/s/^#//' \
      -e '/c_syscheck\.sh/s/#//' -e '/c_syscheck\.sh/s/^11/#11/' $cronpath >$cron_tmp;
    cp $cron_tmp $cronpath;

    crontab $cronpath;

elif [ "$parameter" = "resume" ]
then

    sed -e '/c_check_webstatus\.sh/s/^/#/' -e '/c_check_mysqlstatus\.sh/s/^/#/' \
      -e '/c_syscheck\.sh/s/^#//' -e '/c_syscheck\.sh/s/^\*\/20/#\*\/20/' $cronpath >$cron_tmp;
    cp $cron_tmp $cronpath;

    crontab $cronpath;
else
    echo "Usage: c_startcron.sh [change/resume]";

fi

脚本二
#!/bin/bash

cronpath="/var/spool/cron/root";

if [ = 'tw' ]
then
    kick="tw_mail.php";

elif [ = "nw" ]
then
    kick="nw_mail.php";

elif [ = "pw" ]
then
    kick="pw_mail.php";

fi

crontab -l|egrep -v "$kick">/tmp/crontab;

case "" in
    daily)
        date=" * * *";

    ;
    weekly)
        date=" * * 1";

    ;
    monthly)
        date=" * 1 *";
    ;

esac
cat /tmp/crontab > $cronpath;
if [ = "on" ]
then
    echo "$date /usr/local/php5/bin/php /home/htdocs/pukicn/new/OM/Cron/$kick">>$cronpath;
fi

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