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Top Forums Shell Programming and Scripting Looping through a shell script with sql statements Post 302359809 by novice82 on Wednesday 7th of October 2009 11:58:43 AM
Old 10-07-2009
Looping through a shell script with sql statements

Hello members,

I'm working on the Solaris environment and the DB i'm using is Oracle 10g.

Skeleton of what I'm attempting;

Write a ksh script to perform the following. I have no idea how to include my sql query within a shell script and loop through the statements. Have therefore given a jist of what I'm attempting, below.

1. Copy file to be processed (one file at a time, from a list of 10 files in the folder ).

Code:
for i in *
do
  cp $i /home/temp

2 . Create a snapshot(n) table : Initialize n = 1

Code:
create table test insert account_no, balance from records_all;

-- creates my snapshot table and inserts records in SQL

3. Checking if the table has been created successfully:

Code:
select count(*) from snapshot1

-- query out the number of records in the table -- always fixed, say at 400000


Code:
if( select count(*) from snapshot(n) = 400000 )
  echo " table creation successful.. proceed to the next step "
else
  echo " problem creating table, exiting the script .. "

4. If table creation is successful,

Code:
echo " select max(value) from results_all "

-- printing the max value to console

5. Process my files using the following jobs:

Code:
./runscript.ksh - READ -i $m

( m - initial value 001 )
Code:
./runscript.ksh - WRITE -i $m

( m - initial value 001 -- same as READ process_id )

-- increment m by 1

6. Wait for success log

Code:
tail -f log($m)* | -egrep "^SUCCESS"

7. looping to step1 to :
Copy file 2 to temp folder;
create snapshot(n+1) table

Exit when all the files have been copied for processing.

Code:
done

-- End of Step 1

Pointers on getting me moving will be very valuable.

thanks,

Kristina
 

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