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Full Discussion: sed: removing any and all trailing digits?
Top Forums Shell Programming and Scripting sed: removing any and all trailing digits? Post 302294953 by Squeakygoose on Friday 6th of March 2009 08:01:04 AM
Old 03-06-2009
sed: removing any and all trailing digits?
We have a large number of oracle database related scripts that utilize the environment variables $ORACLE_SID and $DBNAME. In a single instance database the $ORACLE_SID is the same as the database name $DBNAME. So we have simply set DBNAME = $ORACLE_SID. However, now that we are clustering with RAC, we have multiple $ORACLE_SID variables for each $DBNAME. Which means that DBNAME != $ORACLE_SID. An oracle provided script (oraenv) sets up most the environment automatically but does not set up $DBNAME.

Luckily, the $ORACLE_SID variables are just the $DBNAME with the node number added to the end. E.g. $DBNAME=ORCL $ORACLE_SID=ORCL1

What I need is a way to remove any and all digits from the end of the $ORACLE_SID variable. It should leave any digits that are at the beginning or middle of the $ORACLE_SID.

End result:
Code:
$ORACLE_SID     $DBNAME
ORCL                ORCL
ORCL1              ORCL
ORCL23             ORCL
4ORCL              4ORCL
4ORCL3            4ORCL
OR4CL              OR4CL

Thanks in advance!
 

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NOTMUCH-HOOKS(5)						File Formats Manual						  NOTMUCH-HOOKS(5)

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