Script to check errors in listener log file

From: Nagaraj S <nagaraj.chk_at_gmail.com>
Date: Wed, 3 Jun 2015 10:24:45 +0530
Message-ID: <CAG6s0C1Bo+b1JJcPBcie9At9kUzTpEx939Ma5KZwt67w4TsLwQ_at_mail.gmail.com>

Good morning gurus,

I'm working on script to check errors in alert and listener log files . With query I can get the alert log error however for listener log error check I'm in need of your help. Please share your ideas ,Thank You