脚本自动添加crontab示例

脚本自动添加crontab

复制代码

代码如下:

#!/bin/sh

BASEDIR=`dirname $0`/..

BASEDIR=`(cd “$BASEDIR”; pwd)`

PROGRAM=$BASEDIR/bin/daemon.sh

CRONTAB_CMD=”*/1 * * * * sh $PROGRAM once > /dev/null 2>&1 &”

(crontab -l 2>/dev/null | grep -Fv $PROGRAM; echo “$CRONTAB_CMD”) | crontab –

COUNT=`crontab -l | grep $PROGRAM | grep -v “grep”|wc -l `

if [ $COUNT -lt 1 ]; then

        echo “fail to add crontab $PROGRAM”

exit 1

fi