linux 如何获取已输出的某一行字符串？

wanghuaiyan

linux 如何获取已输出的某一行字符串？

wanghuaiyan

回复 2# zooyo


    抢银行！

ulovko

不太明白 可以按照条件匹配。。

wanghuaiyan

回复 4# ulovko

这是查询oracle版本信息
su - oracle -c "echo 'select * from v\$version ;' | sqlplus / as sysdba"
执行完此命令后将输出版本信息
SQL>
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
PL/SQL Release 11.1.0.7.0 - Production
CORE        11.1.0.7.0        Production
TNS for Linux: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production

SQL> Disconnected from Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options

我想获取已输入的这一行版本信息Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production



   

ulovko

1. 
   
2. # psql -U pgsql postgres -c 'select version()'|grep -i 'postgresql'
   
3. Password for user pgsql:
   
4. PostgreSQL 9.1.3 on amd64-portbld-freebsd9.0, compiled by cc (GCC) 4.2.1 20070831 patched [FreeBSD], 64-bit
   

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没有oracle道理一样吧

winway1988

1. cmd 2>&1 | grep 'pattern'

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