Help Debugging Kshell Script???
Hakim Z. Singhji
hakim.singhji at earthlink.net
Sun Aug 8 08:36:38 PDT 2004
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David,
I appologize you are correct the script I sent you is a version of the
same script that I am working on for an AIX machine. Attached is an
unencrypted version of the script for System V: BSD/Linux machines.
This is the error it is giving me and I'm not sure why I am getting this
error?
########################################################################
[hakim at redgate sys_admin]$ ./swap_mon.ksh~
\nSwap Space Report for redgate.ath.cx\n
Sun Aug 8 00:03:48 EDT 2004
(standard_in) 3: illegal character: O
(standard_in) 3: parse error
(standard_in) 3: illegal character: O
(standard_in) 3: parse error
\nTotal Amount of Swap Space:\t494MB
Total KB of Swap Space Used:\t23MB
Total KB of Swap Space Free:\t471MB
\nPercent of Swap Space Used:\t4.6500%
\nPercent of Swap Space Free:\t95.3400%
\n
#########################################################################
I need some help figuring out why bc is giving me such a hard time. I'm
almost positive my syntax is correct. This is where I think the problem
begins (and possibly ends) in the script:
#########################################################################
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 / $SW_TOTAL) * 100
EOF
)
##########################################################################
Thanks for your help in advance.
HZS
David Fleck wrote:
| Unfortunately, I think the script you attached has been mangled in some
| way or other; it appears to be missing the end of the 'paging_mon'
| function, as well as whatever code invokes that function (and the
| swap_mon function as well). If I try to run it, I get:
|
| dcf>$ ./swap_mon.ksh
| \nSwap Space Report for grond.sourballs.org\n
| Sun Aug 8 07:31:26 CDT 2004
| ./swap_mon.ksh: line 85: funtion: command not found
| ./swap_mon.ksh: line 135: syntax error: unexpected end of file
|
| if I fix the typo (funtion -> function) I just get the 'unexpected EOF'
| error.
|
| Both my 4.9 and 5.2.1 systems have /usr/bin/bc, so I assume it is part
| of the base install. However, neither system has 'lsps', which appears
| to be an AIX command.
|
|
| --
| David Fleck
| david.fleck at mchsi.com
|
| _______________________________________________
| freebsd-questions at freebsd.org mailing list
| http://lists.freebsd.org/mailman/listinfo/freebsd-questions
| To unsubscribe, send any mail to
| "freebsd-questions-unsubscribe at freebsd.org"
|
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##############################################################################
#! /usr/bin/ksh
###############################################################################
# CREATED_BY: Hakim Z. Singhji
###############################################################################
# SCRIPT: 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
# space statistics including: Total paging space in MB, MB of free
# paging space, MB of used pagine space, % of 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 $THISHOST\n"
date
###############################################################################
############################# CAPTURE AND PROCESS DATE ########################
free -m | grep -i swap | while read junk SW_TOTAL SW_USED SW_FREE
do
# Use the bc utility in a here document to calculate the percentage of
# free and used swap space
PERCENT_USED=$(bc<<EOF
scale=4
($SW_USED / $SW_TOTAL) * 100
EOF
)
PERCENT_FREE=$(bc<<EOF
($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
${PC_LIMIT}% Upper Limit!\n"
tput rmso # TURN OFF REVERSE VIDEO!!!!!!!!!!!!!!
fi
done
echo "\n"
###############################################################################
#BELOW SEE THE ERROR MESSAGE DUE TO SHELL CONVERSION PROBLEMS
# [hakim at redgate scripts]$ ./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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