#!/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 <geo_code>"
        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