log « MemoSoup

Redirect script output to the log

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 [...]

Search for Oracle errors in the alert log

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 [...]

MemoSoup

Meta

Redirect script output to the log

Search for Oracle errors in the alert log