MemoSoup » log http://www.memosoup.com Mix of the things I always forget Tue, 07 Feb 2012 00:03:54 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Redirect script output to the log http://www.memosoup.com/20090913/redirect-script-output-to-the-log.html http://www.memosoup.com/20090913/redirect-script-output-to-the-log.html#comments Sun, 13 Sep 2009 17:29:58 +0000 admin http://www.memosoup.com/?p=87 If the whole output of the complex script should be redirected to the log, the following trick could be used.

if [ "$1" != "-log" ] ; then                                      $0 -log "$@" 2>&1 | tee the_log_file.$$.log                      echo "The log file for the current session: the_log_file.$$.log"      exit 0                                                       fi                                                             shift  # remove "-log" parameter Tweet news and informations automotive,business,crime,health,life,politics,science,technology,travelautomotive,business,crime,health,life,politics,science,technology,travel]]> If the whole output of the complex script should be redirected to the log, the following trick could be used.

if [ "$1" != "-log" ] ; then                                  
   $0 -log "$@" 2>&1 | tee the_log_file.$$.log                  
   echo "The log file for the current session: the_log_file.$$.log"  
   exit 0                                                      
fi                                                            
shift  # remove "-log" parameter
]]> http://www.memosoup.com/20090913/redirect-script-output-to-the-log.html/feed 0 Search for Oracle errors in the alert log http://www.memosoup.com/20090912/search-for-oracle-errors-in-the-alert-log.html http://www.memosoup.com/20090912/search-for-oracle-errors-in-the-alert-log.html#comments Sat, 12 Sep 2009 15:43:55 +0000 admin http://www.memosoup.com/?p=55 Search for Oracle errors in the last $NUM lines.

NUM=1000 SIGNAL_LIST='^(...-|Error|Starting.*instance)|terminating instance' tail -$NUM alert_${ORACLE_SID}.log | awk ' BEGIN {prev="" ; ret=1 } /'"$SIGNAL_LIST"'/ { if ( prev !~ /'"$SIGNAL_LIST"'/ ) { print "" ; print prev;} print $0;ret=0} {prev=$0} END { exit ret } '

On Unix Oracle alert log is normally located in [...]]]> Search for Oracle errors in the last $NUM lines.

NUM=1000
SIGNAL_LIST='^(...-|Error|Starting.*instance)|terminating instance'

tail -$NUM alert_${ORACLE_SID}.log | awk '
BEGIN {prev="" ; ret=1 }
/'"$SIGNAL_LIST"'/ { if ( prev !~ /'"$SIGNAL_LIST"'/ ) { print "" ; print prev;} print $0;ret=0}
{prev=$0}
END { exit ret } '

On Unix Oracle alert log is normally located in bdump/alert_{ORACLE_SID}.log

]]> http://www.memosoup.com/20090912/search-for-oracle-errors-in-the-alert-log.html/feed 0