问题描述
我们有listener.ora文件如下
[oracle@orahow admin]$ more listener.ora
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = host-ip-address)(PORT = 1521))
(ADDRESS = (PROTOCOL = IPC)(KEY = extproc))
)
)
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = extproc)
(ORACLE_HOME = /data/oracle/app/product/11.2.0.4/dbhome_1)
(PROGRAM = extproc)
)
(SID_DESC =
(GLOBAL_dbnAME = db11g.domain.com)
(ORACLE_HOME = /data/oracle/app/product/11.2.0.4/dbhome_1)
(SID_NAME = db11g)
)
(SID_DESC =
(GLOBAL_dbnAME = db12c.domain.net)
(ORACLE_HOME = /data/oracle/app/product/12.2.0.1/dbhome_1)
(SID_NAME = db12c)
)
(SID_DESC =
(GLOBAL_dbnAME = db12c.domain.net)
(ORACLE_HOME = /data/oracle/app/product/12.2.0.1/dbhome_1)
(SID_NAME = db12c_DGMGRL)
)
(SID_DESC =
(GLOBAL_dbnAME = db18c.something)
(ORACLE_HOME = /data/oracle/app/product/18.2.0.1/dbhome_1)
(SID_NAME = db18c_DGMGRL)
) )
INBOUND_CONNECT_TIMEOUT_LISTENER =0
(SID_DESC =
(GLOBAL_dbnAME = db12c.domain.net)
(ORACLE_HOME = /data/oracle/app/product/12.2.0.1/dbhome_1)
(SID_NAME = db12c)
)
需要有关 unix 命令/shell 脚本的帮助以在 oracle 数据库停用后删除确切的块...
解决方法
sed
此 sed
删除具有匹配模式 db12c)
的行以及前 3 行和后 1 行
sed -n "1N;2N;3N;/db12c)/{N;d};P;N;D" listener.ora > listenerdel.ora
使用上面的代码将其写入一个新文件或使用以下代码修改现有文件:
sed -in "1N;2N;3N;/db12c)/{N;d};P;N;D" listener.ora
请参考这篇文章。 Deleting n lines in both directions and the match in sed?