Solo deja 10 días de logs

Aún se le pueden hacer mas cosas.
http://pastebin.ca/681456

#!/usr/bin/ksh
###############################################################################
# Script: hkeeping.sh
# Version 0.01
# Shell: !/usr/bin/ksh
# Platform: AIX Systems
# Description: Delete directories and keeps only the ten newer ones.
# Creator: Emerson Posadas
# Date: Jul 27th, 2007
###############################################################################

###############################################################################
# Change history:
# 07/27/2007.- First script.
###############################################################################
#Get the GEO from the command line and convert the string to lowercase
GEO=$(print $1 | tr [A-Z] [a-z])

#Number of log files to keep
LIMIT=20

#GEO is mandatory to execute
if [ "${GEO}" = "" ]
then
echo "Geo needed to run this script"
echo "Correct syntax is hkeeping.sh "
exit 1
else
if [[ $GEO != @(emea1|emea2|la|na|ap|mmlc) ]]
then
echo "Please use a valid geo (emea1, emea2, ap, na, la, mmlc)"
else
#Count the total of geo directories matched
count() {
TOTAL=$(ls -rt | grep $GEO | wc -l | cut -c 7-8)
#TOTAL=$(ls -rt | grep $GEO | wc -l | awk '{print $1}')
}

cd /foo/bar
count

#If there is more than $LIMIT directories then delete the older ones
if [ $TOTAL -gt $LIMIT ]; then

#Number of iterations (directory deletions to do)
let ITER=$TOTAL-$LIMIT
while [[ $ITER -gt 0 ]] ; do
#Select the older element
ELEMENT=$(ls -lrt | grep $GEO | awk '{print $9}' | head -1)
echo "$ELEMENT deleted"

#Delete the older element
ls -lrt | grep $GEO | awk '{print $9}' | head -1 | xargs rm -fr
let ITER=$ITER-1
done
else
echo "Cannot delete more log files"
exit 1
fi
fi
fi