目录

​​问题​​

​​实例​​


问题

问：

想在bash脚本中修改改安装Oracle软件的响应文件db_install.rsp。

相关参数有：

SELECTED_LANGUAGES=en,zh_CN,zh_TW
ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1
ORACLE_BASE=/u01/app/oracle
oracle.install.db.InstallEdition=EE

原文本只含有“参数=”，如何在bash中批量赋值给对应参数？

 答：

sed -i 's/^参数名=.*/参数名=新值/' 配置文件路径

 

实例

 

将配置文件中的ms_cluster_type = async+posix改为ms_cluster_type = async+rdma 或者反过来：

方法1：匹配修改

方法2：删除原配置行，添加新配置行

 

#ps -ef | grep fio | grep -v grep | awk '{print $2}' | xargs kill -s 9

CONF_PATH='/etc/ceph/ceph.conf'

if [ -z $1 ] ; then

echo "******************"
echo "Please input arg:"
echo "******************"
echo "-----------------------------------"
echo "p or P:change ceph conf to posix"
echo "r or R:change ceph conf to rdma"
echo "-----------------------------------"
exit 

else

TYPE=$1

fi

case ${TYPE} in
p|P) 

sed -i 's/^ms_cluster_type =.*/ms_cluster_type = async+posix/' ${CONF_PATH}
cat ${CONF_PATH} | grep 'ms_cluster_type'

if false; then
sed -i '/ms_cluster_type = async+posix/d' ${CONF_PATH}  #delete line 
sed -i '/ms_cluster_type = async+rdma/d'  ${CONF_PATH}  #delete line

sed -i '/ms_public_type = async+posix/a\ms_cluster_type = async+posix' ${CONF_PATH} #add line after 'ms_public_type = async+posix'
sed -i '/ms_public_type = async+posix/a\#ms_cluster_type = async+rdma' ${CONF_PATH} #add line after 'ms_public_type = async+posix'
fi

;;
r|R)

sed -i 's/^ms_cluster_type =.*/ms_cluster_type = async+rdma/' ${CONF_PATH}
cat ${CONF_PATH} | grep 'ms_cluster_type'

if false; then
sed -i '/ms_cluster_type = async+posix/d' ${CONF_PATH}  #delete line 
sed -i '/ms_cluster_type = async+rdma/d'  ${CONF_PATH}  #delete line

sed -i '/ms_public_type = async+posix/a\#ms_cluster_type = async+posix' ${CONF_PATH} #add line after 'ms_public_type = async+posix'
sed -i '/ms_public_type = async+posix/a\ms_cluster_type = async+rdma' ${CONF_PATH} #add line after 'ms_public_type = async+posix'
fi
;;
*)
esac