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Full Discussion: Print between multi line pattern
Top Forums Shell Programming and Scripting Print between multi line pattern Post 302602555 by sol_nov on Monday 27th of February 2012 05:27:03 PM
Old 02-27-2012
CPU & Memory Print between multi line pattern
Hi,

I have a file with text like this

Code:
.SET WIDTH 10000 
.SET MAXERROR 1   
insert into new_db  
SELECT 
* 
FROM 
some_db  

;
+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
.SET WIDTH 10000
+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
.SET MAXERROR 1
+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-

insert into new_db

SELECT
*
FROM
some_db

;

I have tried
Code:
sed -n '/\.SET MAX.*$/,/;/p' file

But I am getting output as
Code:
.SET MAXERROR 1   
insert into new_db  
SELECT 
* 
FROM 
some_db  

;
.SET MAXERROR 1
+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-

insert into new_db

SELECT
*
FROM
some_db

;

But I need output as below from the second instance i.ee it has to match the pattern
.SET MAXERROR 1
+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-


Code:
insert into new_db
 
 SELECT
 *
 FROM
 some_db

;

Thanks in advance
Last edited by sol_nov; 02-27-2012 at 06:33 PM..
 

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LEARN ABOUT CENTOS

set_session_authorization

SET SESSION 
AUTHORIZATION(7)				  PostgreSQL 9.2.7 Documentation			      SET SESSION AUTHORIZATION(7)

NAME

       SET_SESSION_AUTHORIZATION - set the session user identifier and the current user identifier of the current session

SYNOPSIS

       SET [ SESSION | LOCAL ] SESSION AUTHORIZATION user_name
       SET [ SESSION | LOCAL ] SESSION AUTHORIZATION DEFAULT
       RESET SESSION AUTHORIZATION

DESCRIPTION

       This command sets the session user identifier and the current user identifier of the current SQL session to be user_name. The user name can
       be written as either an identifier or a string literal. Using this command, it is possible, for example, to temporarily become an
       unprivileged user and later switch back to being a superuser.

       The session user identifier is initially set to be the (possibly authenticated) user name provided by the client. The current user
       identifier is normally equal to the session user identifier, but might change temporarily in the context of SECURITY DEFINER functions and
       similar mechanisms; it can also be changed by SET ROLE (SET_ROLE(7)). The current user identifier is relevant for permission checking.

       The session user identifier can be changed only if the initial session user (the authenticated user) had the superuser privilege.
       Otherwise, the command is accepted only if it specifies the authenticated user name.

       The SESSION and LOCAL modifiers act the same as for the regular SET(7) command.

       The DEFAULT and RESET forms reset the session and current user identifiers to be the originally authenticated user name. These forms can be
       executed by any user.

NOTES

       SET SESSION AUTHORIZATION cannot be used within a SECURITY DEFINER function.

EXAMPLES

	   SELECT SESSION_USER, CURRENT_USER;

	    session_user | current_user
	   --------------+--------------
	    peter	 | peter

	   SET SESSION AUTHORIZATION 'paul';

	   SELECT SESSION_USER, CURRENT_USER;

	    session_user | current_user
	   --------------+--------------
	    paul	 | paul

COMPATIBILITY

       The SQL standard allows some other expressions to appear in place of the literal user_name, but these options are not important in
       practice.  PostgreSQL allows identifier syntax ("username"), which SQL does not. SQL does not allow this command during a transaction;
       PostgreSQL does not make this restriction because there is no reason to. The SESSION and LOCAL modifiers are a PostgreSQL extension, as is
       the RESET syntax.

       The privileges necessary to execute this command are left implementation-defined by the standard.

SEE ALSO

       SET ROLE (SET_ROLE(7))

PostgreSQL 9.2.7						    2014-02-17					      SET SESSION AUTHORIZATION(7)
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