UNIX for Dummies Questions & Answers

#!/sbin/sh
SID=wmprd1
. qa02
typeset -i mHHMM=`date +%H%M`
typeset -i mDD=$(date +%d)
mDay=`date +%a`
if [[ "${mDay}" = "Thu" && ${mHHMM} -gt 1300 ]]; then
echo "Exiting because it is Thursday  after 13:00"
exit
fi
if [[ "${mDay}" = "Sun" && ${mHHMM} -lt 0245 ]]; then
echo "Exiting because it is Sunday before 2:45"
exit
fi
if [[ ${mDD} -ge 20 && ${mDD} -le 22 ]]; then
echo "Second Monday of the month"
exit
fi
sleep 500
tnsping $SID
if [ $? -eq 0 ] ; then
:
else
echo " Listener of $SID has issue." | mailx -s "Listener down of $SID , please act on this" ORACLE-DBA@xyz.com,
fi
echo "select 'DB up' from dual;" | sqlplus -s oramonitoring/temp123@$SID
if [ $? -eq 0 ] ; then
:
else
echo " Database $SID has issue." | mailx -s "Database $SID is down, please act on this"
fi
echo "successfull complete"exit