#!/bin/bash
#
# find big disk space users in various directories
CHECK_DIRECTORIES="."		#default directories to check

DATE=`date '+%m%d%y'`		#date for report file
#exec > Disk_Space_$DATE.log

parameters=`getopt sS "$@"`
set -- $parameters 	    	#replace origin parameters 	
for param in "$@"
do
	case $param in
		-s) range=$param;;
		-S)	range=$param;;
		-l) list=$param;;
		--) break;;
	esac
done

count=1
while [ -n "$1" ]
do
	if [ -d "$1" ]; then
		echo ""
		echo  The $1 Directory:
		du $range $1 2>/dev/null | sort -rn | sed -e '11,$D; =' | sed '{N; s/\n/ /}' | awk  'BEGIN{} {
			delimiter = 1024

			Mb = int($2 / delimiter)
			if(Mb >= 1) {
			   size = Mb"Mb"
		   	}
			else {
				size = $2"Kb"
			}

			Gb = int(num / (delimiter * delimiter)) 
			if(Gb >= 1) {
			   size = Gb"Gb"
		   	}

			printf $1 ":" "\t" size "\t" $3 "\n"} END{}'
	fi

	count=$[ $count + 1 ]
	
	shift
done