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Date:      Sat, 07 Aug 2004 21:38:52 -0400
From:      "Hakim Z. Singhji" <hakim.singhji@earthlink.net>
To:        David Fleck <david.fleck@mchsi.com>
Cc:        questions@freebsd.org
Subject:   Re: Help Debugging Kshell Script???
Message-ID:  <4115842C.2090907@earthlink.net>
In-Reply-To: <20040806161222.O275@grond.sourballs.org>
References:  <411318A8.4080100@earthlink.net> <20040806161222.O275@grond.sourballs.org>
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Hi David,

Your absolutely right, I've been encrypting everything these days and I
didn't really think about what it would be like to help me and have to
jump through hoops just to see the file... Thanks.

David Fleck wrote:
| On Fri, 6 Aug 2004, Hakim Z. Singhji wrote:
|
|> You must import my public key to open the attached file.
|
|
| Why?  Why not just attach the plain file?
|
|
| --
| David Fleck
| david.fleck@mchsi.com
|
|
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--------------040308070300080301090406
Content-Type: text/plain;
 name="swap_mon.ksh"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
 filename="swap_mon.ksh"

##############################################################################
#! /usr/bin/ksh							      
###############################################################################
#  CREATED_BY: Hakim Z. Singhji
###############################################################################
#  SCRIPT:  page_swap_mon.zsh						      
###############################################################################
#  DATE:  8/4/04							      
###############################################################################
#  VERSION: 0.1								      
###############################################################################
#  PLATFORM: Linux Only							      
###############################################################################
#  PURPOSE:  This shell script is used to produce a report of the system's swap 
#            of paging space statistics including: Total paging space in MB, MB 
#            of Free paging space Used, and % of paging space Free.             
###############################################################################
#  REV LIST:

#  set -x  # Uncomment to debug this shell script
#  set -n  # Uncomment to check command syntax without any execution
							
###############################################################################
############################# DEFINE VARIABLES HERE ###########################

THISHOST=$(hostname) 	# Host name of this machine
PC_LIMIT=65            	# Upper limit of Swap space percentage before 
			# notification 

###############################################################################
############################# INITIALIZE THE REPORT ###########################

echo "\nSwap Space Report for $THISHOST\n"
date

###############################################################################
############################# CAPTURE AND PROCESS DATE ########################
function swap_mon
{
free -m | grep -i swap | while read junk SW_TOTAL SW_USED SW_FREE

do 
	# Use the bc utility in a here document to calculate the percentage of 
        # free and used swap space

	PERCENT_USED=$(bc <<EOF
	scale=4
	($SW_USED / $SW_TOTAL) * 100
	EOF
	)
	
	PERCENT_FREE=$(bc <<EOF
	scale=4
	($SW_FREE / $SW_TOTAL) * 100
	EOF
	)
		
		# Produce the rest of the paging space report:
		echo "\nTotal Amount of Swap Space:\t${SW_TOTAL}MB"
		echo "Total KB of Swap Space Used:\t${SW_USED}MB"
		echo "Total KB of Swap Space Free:\t${SW_FREE}MB"
		echo "\nPercent of Swap Space Used:\t${PERCENT_USED}%"
		echo "\nPercent of Swap Space Free:\t${PERCENT_FREE}%"

		# Grab the integer portion of the percent used to test for
                # the over limit threshold

		INT_PERCENT_USED=$(echo $PERCENT_USED | cut -d. -f1)
		
		if (( PC_LIMIT <= INT_PERCENT_USED ))
		then 
			# Swap space limit has exceeded th threshold, send
                        # notification

			tput smso # TURN ON REVERSE VIDEO!!!!!!!!!
			echo "\n\nWARNING: Paging Space has Exceeded the 
			${PC_LIMIT}% Upper Limit!\n"
			tput rmso # TURN OFF REVERSE VIDEO!!!!!!!!!!!!!!
		fi
done

echo "\n"
}
###############################################################################
funtion paging_mon
{
###############################################################################
############################# DEFINE VARIABLES ################################

PAGING_STAT=/tmp/paing_stat.out # Paging Stat hold file

###############################################################################
############################# CAPTURE AND PROCESSING THE DATA #################

# Load the data in a file without the column headings

lsps -s | tail +2 > $PAGING_STAT

# Start a while loop and feed the loop from the bottom using the $PAGING_STAT 
# file as redirected input

while read TOTAL PERCENT
do 
	# Clean up the data by removing the suffixes
	PAGING_MB=$(echo $TOTAL | cut -d 'MB' -fi)
	PAGING_PC=$(echo $PERCENT | cut -d% -fi)

	# Calculate the missing data: %Free, MB used and MB free
	(( PAGINE_PC_FREE = 100 - PAGING_PC ))
	(( MB_USED = PAGING_MB * PAGING_PC / 100 ))
	(( MB_FREE = PAGING_MB - MB_USED ))

	# Procedure the rest of the paging space report:
	echo "\nTotal MB of Paging Space:\t$TOTAL"
	echo " Total MB of Paging Space Used: \t${MB_USED}MB"
	echo "Total MB of Paging Space Free: \t${MB_FREE}MB"
PAGING_STAT=/tmppagin_stat.out # Paging stat hold file

###############################################################################
#BELOW SEE THE ERROR MESSAGE DUE TO SHELL CONVERSION PROBLEMS

# [hakim@redgate scripts]$ ./swap_mon.ksh
# \nSwap Space Report for redgate.ath.cx\n
# Fri Aug  6 00:04:14 EDT 2004
# ./swap_mon.ksh: line 1: bc: command not found
# ./swap_mon.ksh: line 1: bc: command not found
# \nTotal Amount of Swap Space:\t494MB
# Total KB of Swap Space Used:\t0MB
# Total KB of Swap Space Free:\t494MB
# \nPercent of Swap Space Used:\t%
# \nPercent of Swap Space Free:\t%
# \n
###############################################################################
############################# END OF FILE #####################################

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