Error with script interaction

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# 8  
Old 08-11-2009
Now it's getting quite messy!

How does the EMAIL procecure get the output from the while loop?

I mean, you could try this:
done | D:/user-applications/oracle/ora92/bin/sqlplus.exe -s $HKLOGIN/${HKPWD}@$HKSVC << !

or this...
done | {
cat << !
} | D:/user-applications/oracle/ora92/bin/sqlplus.exe -s $HKLOGIN/${HKPWD}@$HKSVC

If you show me the usage of the EMAIL procedure (which arguments it takes) then it would help.
# 9  
Old 08-11-2009
Hi Scott,

The email_procedure has no parameters.
./hkstats.ksh does some processes which ultimately inserts the current size of various databases (which the loop accesses) into a table. Some of them fail to collect (incorrect details in tsnnames.ora or other issues) which are then listed in an email. I'd like to continue to use this stored procedure rather than sending it some other way because its long & works. The email_procedure iterates over some emails in a table and then sends the email to each user. The list is achieved by listing all the databases and then subtracting (minus) those that have inserts associated with them on that particular day.

    v_From      VARCHAR2(80) := 'HKADM.Weekly';   
    v_Subject   VARCHAR2(80) := 'HKADM C3 Stats Fail - ' || to_char(sysdate,'DD') || ' ' || 
          rtrim(to_char(sysdate,'Month'), ' ') || ' ' || to_char(sysdate, 'YYYY');
    v_Mail_Host VARCHAR2(30) := '';
    v_Mail_Conn utl_smtp.Connection;
    crlf        VARCHAR2(2)  := chr(13)||chr(10);
    -- All live C3 databases to have not updated TODAY
    cursor c1 is select distinct hkadm.tbstat.tbs_svc_name
          from hkadm.tbstat, hkadm.srvc 
          where  hkadm.tbstat.tbs_svc_name = hkadm.srvc.svc_name 
          and hkadm.srvc.svc_app_name = 'c3' and hkadm.srvc.svc_app_type = 'L' 
          select distinct hkadm.tbstat.tbs_svc_name
          from hkadm.tbstat, hkadm.srvc 
          where hkadm.tbstat.tbs_date = TO_CHAR(SYSDATE, 'DD-MON-YY') and hkadm.tbstat.tbs_svc_name = hkadm.srvc.svc_name 
          and hkadm.srvc.svc_app_name = 'c3' and hkadm.srvc.svc_app_type = 'L'
          order by 1;
    -- Read emails from table
    cursor emails is select email from tbl_email;
    -- Place keeper for failed database collections
    db_fail VARCHAR2(4000);
    -- Name in introductory message generated from email
    recip VARCHAR2(20);
    -- Fill variable db_fail with the failed database names
    for val in c1 loop
       db_fail := db_fail || val.tbs_svc_name || crlf;
    end loop;
    -- Sends the email to all listed
    for email in emails loop
    -- Name in introductory message generated from email
    recip := UPPER(substr(SUBSTR(, 1 ,INSTR(, '.', 1, 1)-1),1,1)) || LOWER(substr(SUBSTR(, 1 ,INSTR(, '.', 1, 1)-1),2,19));
    v_Mail_Conn := utl_smtp.Open_Connection(v_Mail_Host, 25);
    utl_smtp.Helo(v_Mail_Conn, v_Mail_Host);
    utl_smtp.Mail(v_Mail_Conn, v_From);
       'Date: '   || to_char(sysdate, 'Dy, DD Mon YYYY hh24:mi:ss') || crlf ||
       'From: '   || v_From || crlf ||
       'Subject: '|| v_Subject || crlf ||
       'To: '     || || crlf ||
       crlf ||
       'Hi ' || recip || ',
The following databases failed to commit:'|| crlf ||	-- Message body
        db_fail ||
     end loop;
     WHEN utl_smtp.Transient_Error OR utl_smtp.Permanent_Error then
        raise_application_error(-20000, 'Unable to send mail: '||sqlerrm);

Last edited by Dird; 08-11-2009 at 10:05 AM..
# 10  
Old 08-11-2009
In that case, I would just do this after the while loop

D:/user-applications/oracle/ora92/bin/sqlplus.exe -s $HKLOGIN/${HKPWD}@$HKSVC << !

So you have to re-comment, but I can't imagine that's so expensive. Do you have to call the procedure in the same session as the select?
# 11  
Old 08-12-2009
Hi scott,

No, I don't have to it's just that I read somewhere about keeping connections open because of the time it takes to repeatedly connect. So are you saying?:
cat << !
set heading off
set feedback off
set pagesize 0
set serveroutput on
select distinct tbstat.tbs_svc_name
          from tbstat, srvc
          where  tbstat.tbs_svc_name = srvc.svc_name
          and srvc.svc_app_name = 'c3' and srvc.svc_app_type = 'L';
} | D:/user-applications/oracle/ora92/bin/sqlplus.exe -s $HKLOGIN/${HKPWD}@$HKSVC | while read line; do
echo "$line collecting..."
./hkstats.ksh all $line
echo "$line completed..."
done | D:/user-applications/oracle/ora92/bin/sqlplus.exe -s $HKLOGIN/${HKPWD}@$HKSVC << !

Wouldn't I be able to do it with 1 sqlplus login?

Edit: Scott? Smilie

---------- Post updated 08-12-09 at 03:11 AM ---------- Previous update was 08-11-09 at 08:23 AM ----------

Or does the "done" cancel the connection?

Last edited by Dird; 08-11-2009 at 11:55 AM.. Reason: I've lost Scotty
# 12  
Old 08-12-2009

The connection would be "cancelled" after the last bit of data is sent through the pipe to the while loop.

Do you need to run EMAIL_PROCEDURE for every record returned by the select, or only once?

If for every record (why?) then I would suggest changing your initial SQL input PL/SQL using a cursor, and then calling the EMAIL_PROCEDURE within the cursor loop.
# 13  
Old 08-12-2009
Hi Scott,

No the email is sent at the end. The loop goes to 24 databases and collects bits of data from them. The email_procedure then sends an email to various people listing those databases which failed to collect.

Is my last guess the correct way it would be done then or would it be on a separate line instead of joined together with the | ?
# 14  
Old 08-12-2009

If the email is sent at the VERY end, then you put

D:/user-applications/oracle/ora92/bin/sqlplus.exe -s $HKLOGIN/${HKPWD}@$HKSVC << !

outside the while loop (not with a pipe, after "done").
(but I see nothing so far that indicates which databases have "failed")

What started out as a question is now turning into an application Smilie
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