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Full Discussion: Help with shell script to send email once
Top Forums Shell Programming and Scripting Help with shell script to send email once Post 302542237 by d3xt3r on Wednesday 27th of July 2011 04:46:25 AM
Old 07-27-2011
Help with shell script to send email once
Hi Guys,
I have this script which will monitor oracle db process if up or down.And I want it to send email if it's down and the time it's back to online. However my script just keep on sending "Email Up" if the db is up or "Email Down" if the db is down.Is there any way to trap it so that it would only send Email Up or Down once?

This is script will not be run on cron jobs, I'm running it in background.
here is the sample script:
Code:
#!/bin/sh
while :
do
db_check=`ps -ef|grep ${ORACLE_SID}|grep pmon|wc -l`
status=`expr $db_check`

if [ $status -lt 1 ];
then
   echo "Down" > log.txt
else
   echo "Up" > log.txt
fi

log_check=`cat log.txt | grep Up`

if [ "$log_check" = "Up" ];then
        echo "Email Up"
    else
if [ "$log_check" = "Down" ];then
       echo "Email Down"  
    fi  
fi 
done

 

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LEARN ABOUT DEBIAN

email::mime::createhtml::resolver::filesystem

Email::MIME::CreateHTML::Resolver::Filesystem(3pm)	User Contributed Perl Documentation	Email::MIME::CreateHTML::Resolver::Filesystem(3pm)

NAME

       Email::MIME::CreateHTML::Resolver::Filesystem - finds resources via the filesystem

SYNOPSIS

	       my $o = new Email::MIME::CreateHTML::Resolver::Filesystem(\%args)
	       my ($content,$filename,$mimetype,$xfer_encoding) = $o->get_resource($uri)

DESCRIPTION

       This is used by Email::MIME::CreateHTML to load resources.

METHODS

       $o = new Email::MIME::CreateHTML::Resolver::Filesystem(\%args)
	   %args can contain:

	   base
	       Base directory used to resolve relative filepaths passed to get_resource.

       ($content,$filename,$mimetype,$xfer_encoding) = $o->get_resource($uri)

TODO

	- Currently the MIME type is deduced from the file extension via MIME::Types; given we have the content available, more sophisticated strategies are probably possible

VERSION

       $Revision: 1.6 $ on $Date: 2006/08/24 21:41:38 $ by $Author: johna $

AUTHOR

       Tony Hennessy, Simon Flack and John Alden

COPYRIGHT

       (c) BBC 2005,2006. This program is free software; you can redistribute it and/or modify it under the GNU GPL.

       See the file COPYING in this distribution, or http://www.gnu.org/licenses/gpl.txt

perl v5.10.1							    2010-02-12			Email::MIME::CreateHTML::Resolver::Filesystem(3pm)
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