extract DB version from oratab

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# 1  
Old 09-28-2009
Question extract DB version from oratab

My oratab has the following contents


I have a script for which I pass the oracle sid as the parameter
I need to extract the version of the oracle home from the oratab.
I have tried
grep $ORACLE_SID /var/opt/oracle/oratab|grep -v \# |cut -d/ -f6|awk -F":" {'print $1'}
and get "11.1.0RMDIDES" as the output of the command, how do I just get the version like 11.1.0 as the output

Thanks in advance,AK
# 2  
Old 09-28-2009
You could try:
sed -n "s#${ORACLE_SID}.*/\(.*\)${ORACLE_SID}.*#\1#p" /var/opt/oracle/oratab

or shorter, but not as exact:
sed -n "s#.*/\(.*\)${ORACLE_SID}.*#\1#p" /var/opt/oracle/oratab

Last edited by Scrutinizer; 09-28-2009 at 05:24 PM..
# 3  
Old 09-28-2009
IN Just changing your code you can change your -F":" -F"R" so you would have
grep $ORACLE_SID /var/opt/oracle/oratab|grep -v \# |cut -d/ -f6|awk -F"R" {'print $1'}

# 4  
Old 09-28-2009
Or you can use Perl -

grep $ORACLE_SID /var/opt/oracle/oratab | perl -lne '/.*\/([\d.]+)/ && print $1'

# 5  
Old 09-28-2009
$ grep $ORACLE_SID /var/opt/oracle/oratab|sed 's#.*\([0-9][0-9]\.[0-9]\.[0-9]\).*#\1#'

# 6  
Old 09-29-2009
another way..
-bash-3.2$ grep -o "[0-9]\{2\}.[0-9].[0-9]" file

# 7  
Old 09-29-2009
Thnx guys, solved my problem
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