可以学习的SHELL代码

1.[ -f /root/.ssh/known_hosts ] && rm -f /root/.ssh/known_hosts
\`ps -ef | grep vcs | grep -v grep | awk '{system(\"kill -9 \"\$2)}'\`

2./usr/bin/expect <<EOD
spawn scp $CONF_FILE root@${STB_HOST_NAME}://opt/appsoft/${MEDIAX_ROOT}/tools/vcs/vcs_nonDiskArray
   for {} {1} {} {
              expect {
               "*(yes/no)?" { send "yes\r" ; continue }
               "*assword:" { send "huawei\r" ; continue }
               -re . { exp_continue }
               eof { break }
            }
           }
EOD
}