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Full Discussion: calling sqlplus, read table return etc
Top Forums Shell Programming and Scripting calling sqlplus, read table return etc Post 302306797 by TimHortons on Monday 13th of April 2009 09:00:38 PM
Old 04-13-2009
Bug calling sqlplus, read table return etc
I have korn shell scripts.

I want to pass a variable to a script which will execute a a sql script to read a table that contains env. variables. I want to read and then somehow export at unix level variables

example
for every row selected from the table build export command line

field1 := 'export SHELL = /app/pasf/sqr; ';

I some how need to get these back to unix korn script so I can create the variable at the unix level. It will be valid only while the session is open.

Not sure the best way to do this.

So far I created a the following(its just a start):

Code:
SET serveroutput ON
DECLARE
   recordtype   varchar2 (6)      :='DBASE1'; 
   SHELL        VARCHAR2 (36);
   SHELL1        VARCHAR2 (36);
   SHELL2        VARCHAR2 (36);
   PARMS        VARCHAR2 (36);
   SQR          VARCHAR2 (31);
   SQLq          VARCHAR2 (36);
   CTL          VARCHAR2 (36);
   TNS_ADMIN    VARCHAR2 (44);
   ORACLE_HOME1 VARCHAR2 (44);
   PATH1        VARCHAR2 (30);

CURSOR XXX_cursor IS
 SELECT  PROGRAM_ID,STRING_ID,LABEL_ID,STRING_TEXT,COL_WIDTH from PS_XXX_ENV_VARS
           WHERE PROGRAM_ID =  recordtype;
 XXX_VARS XXX_cursor%ROWTYPE;
BEGIN
    IF NOT XXX_cursor%isopen THEN
       OPEN XXX_cursor;
    END IF;
    
 
   LOOP
    fetch XXX_cursor into XXX_VARS;
    EXIT WHEN XXX_cursor%notfound; 
     SHELL2 := XXX_VARS.STRING_TEXT ;
     SHELL1 := XXX_VARS.STRING_ID;
    DBMS_OUTPUT.put_line (SHELL1);
        EXIT WHEN XXX_cursor%notfound; 
   END LOOP;
   CLOSE XXX_cursor ;
END;

output is

EXPORT PARMS= /unixsxxx/apps/psf/zzz/CCC/

EXPORT SHELL= /unixsxxx/apps/psf/zzz/CCC/

EXPORT SQL= /unixsxxx/apps/psf/zzz/CCCC/

EXPORT SQR= /unixsxx/apps/psf/zzz/
Last edited by TimHortons; 04-14-2009 at 08:50 AM.. Reason: code tag added
 

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LEARN ABOUT DEBIAN

pvm_unexport

EXPORT(3PVM)															      EXPORT(3PVM)

NAME

       pvm_export, pvm_unexport - Mark environment variables to export through spawn

SYNOPSIS

       C    int cc = pvm_export( char *name )
	    int cc = pvm_unexport( char *name )

       Fortran	 Not available

PARAMETERS

       name    Name of an environment variable to add to or delete from export list.

DESCRIPTION

       The  routines  pvm_export  and  pvm_unexport are provided for convenience in editing environment variable PVM_EXPORT, while maintaining the
       colon-separated list syntax it requires.  The variable can be modified by other means, and at the same time by the pvm_export functions.

       pvm_export checks to see if a name is already in PVM_EXPORT before including it, and exporting a name more than once is not  considered	an
       error.  Likewise, pvm_unexport will not complain if you specify a name not in PVM_EXPORT.

EXAMPLES

       C:
	    /* PVM_EXPORT=SHELL:HOME */
	    pvm_export("DISPLAY");
	    pvm_export("TERM");
	    pvm_unexport("HOME");
	    /* PVM_EXPORT=SHELL:DISPLAY:TERM */

ERRORS

       No error conditions are currently returned by pvm_export and pvm_unexport.

SEE ALSO

       pvm(1PVM) pvm_spawn(3PVM)

								   15 May, 1996 						      EXPORT(3PVM)
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