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Top Forums Shell Programming and Scripting Extracting Sysdate-1 ORA Errors - Can you help me in this UNIX Script? Post 302794401 by raja_dba on Tuesday 16th of April 2013 12:39:01 AM
Old 04-16-2013
Extracting Sysdate-1 ORA Errors - Can you help me in this UNIX Script?

Hi Guys,

I wanted to create an Unix Shell Script that should fetch a particular string from a text file on a particular date.

We all know Oracle generates alert logs for each and every day for every actions in the database.

I have an alert log file now where it contains for about a months generated alert log.

I wanted to extract the ORA errors generated yesterday. ( APR 15 )

I was trying this,

===================================

SCRIPT
Code:
cd /back/alert/log
a=`date '+%b %d' -d "yesterday"`
b=`date '+%b %d'`
c="$a $b"
echo "$c"
awk "/$1 $2/,/$3 $4/" alert_dbname.log | sed '$d'
exit

=================================================

echo "$c" would output yesterday's date and today's date in the format
Code:
Apr 15 Apr 16

And from here I want to substitute the Apr 15 Apr 16 in awk as
Code:
[[[ awk '/Apr 15/,/Apr 16/' alert_dbname.log | sed '$d' | grep ORA  ]]]]

And for this substitution I have written in the script
Code:
awk "/$1 $2/,/$3 $4/" alert_dbname.log | sed '$d

'

But this doesn't bring me the required output.

Could you please help me working on this script?

Thanks,
Raja

Last edited by Franklin52; 04-16-2013 at 03:06 AM.. Reason: Please use code tags for code and data samples
 

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