http://solife.us/2013/9/20/Linux-awk

linux awk 批量删除进程

#帮助说明
help() {
    echo "usage:kp keyword username"
    echo "   eg:kp resque  webmail"
    exit 0
}

#第一个参数为空,提示帮助说明
[ -z $1 ] && help

keyword=$1
   user=$2

#第二个参数为空,设置默认用户webmail
[ -z $2 ] && user="webmail"


echo "keyword:${keyword} - user:${user}"

id_str=$(ps axuw | grep ${keyword} |               \
         grep -v grep |                            \
         awk -v awk_user="${user}" 'BEGIN { -F" "}  \
           {if($1==awk_user) printf("%s ",$2);}    \
           END { }')

id_ary=(${id_str})
id_num=${#id_ary[@]}

echo "find ${id_num} result."

#查找进程数量为0时直接退出
[ ${id_num} -eq 0 ] && exit 0

ps axuw | grep ${keyword} | grep -v grep | awk -v awk_user="${user}" 'BEGIN{ -F" "}  { if($1==awk_user) printf("%s\n ", $0);}'

echo -n "kill the above ${id_num} process?(y/n)"
read yn

case ${yn} in
Y|y)
   kill -9 ${id_str}
   echo "kill over!"
   ;;
N|n)
   echo "do nothing"
   ;;
*)
   echo "do nothing"
   ;;
esac