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Run sql statement in Unix script

Posted on 2007-04-03
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Last Modified: 2013-12-21
I am editing a Unix script that logs into the database and executes a sql script in a certain directory. Rather than execute this sql script I want to be able to run sql statement within the unix script. How do I do this.
This is the line in the Unix script:
su - oracle -c "export ORACLE_SID=${db}; sqlplus '/as sysdba' @${PWD}/audit_loc.sql" > ${PWD}/audit_loc.txt

The script is audit_loc.sql

I would like to execute the sql statement within Unix rather than using this: @${PWD}/audit_loc.sql

The contents of the script is the following:
set heading off;
show parameter audit_file_dest;
exit;

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Question by:sikyala
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Expert Comment

by:nixfreak
ID: 18845021
Not sure but try:
/bin/echo "set heading off;\nshow parameter audit_file_dest;\nexit;" | su - oracle -c "export ORACLE_SID=${db}; sqlplus '/as sysdba' @/dev/stdin" > ${PWD}/audit_loc.txt
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Expert Comment

by:nixfreak
ID: 18845044
Small correction, please try:

/bin/echo "set heading off;\nshow parameter audit_file_dest;\nexit;\n" | su - oracle -c "export ORACLE_SID=${db}; sqlplus '/as sysdba' @/dev/stdin" > ${PWD}/audit_loc.txt
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Author Comment

by:sikyala
ID: 18846363
I tried it and it didn't work. what does @/dev/stdin do?
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Expert Comment

by:nixfreak
ID: 18847353
Hi sikyala,

Sorry, please try this modification:

su - oracle -c "export ORACLE_SID=${db}; /bin/echo "set heading off;\nshow parameter audit_file_dest;\nexit;\n" | sqlplus '/as sysdba' @/dev/stdin" > ${PWD}/audit_loc.txt
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Expert Comment

by:nixfreak
ID: 18847406
/dev/stdin can be used with commands that are not designed to take standard input (stdin).

If it still doesn't work perhaps you can also try replacing the single quotes with double quotes surrounding "/as sysdba".
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Expert Comment

by:nixfreak
ID: 18847433
Also I realized that "\n" is not required after exit.
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Author Comment

by:sikyala
ID: 18848132
I tried and got the following:

./audit.bash: nshow: command not found
./audit.bash: nexit | sqlplus '/as sysdba' @/dev/stdin: No such file or directory
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Accepted Solution

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nixfreak earned 500 total points
ID: 18848730
Ok,
I think the double quotes were causing the problem. So, try:

su - oracle -c "export ORACLE_SID=${db}; /bin/echo 'set heading off;\nshow parameter audit_file_dest;\nexit;' | sqlplus '/as sysdba' @/dev/stdin" > ${PWD}/audit_loc.txt       
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Author Comment

by:sikyala
ID: 18851294
It worked thanks!
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