x10v2

#!/bin/bash

function usage() {
    echo "USAGE: $0 for check file size with minimize and maximaize file"
    echo "  [-l or --location for defind location]"
    echo "  [-e or --extension] for defind file extension"
    echo "  [-s or --stat] for show minimize and maximaize file"
    echo "  [-h or --help]"
    echo "Examples:"
    echo "$0 -l /etc/ -e txt -s"
    echo "$0 --location /etc/ -e txt -s"
    echo "$0 -extension txt --stats"
    echo
    exit 1
}
local=`pwd`
type=$2
while [ $# -gt 0 ]
do
    case $1 in

        -h|--help )
            usage
            ;;
        -e|--extension)
                file_count=`ls -l | egrep $type -c`
                file_size=`ls -l | egrep $type | awk 'BEGIN{sum=0}{sum+=$5} END{print sum/1024 " kB"}'`
                echo "Location: $local"
                echo "Sum: $file_size"
                echo "Files: $file_count"
                shift
                shift
                ;;
        -s|--stats)
                file_max=`ls -l | egrep $type | awk 'BEGIN{max=$5}{if (max < $5) {max=$5} } END{print max/1024}'`
                file_min=`ls -l | egrep $type | awk 'BEGIN{min=$5}{if (min > $5) {min=$5} } END{print min/1024}'`
                echo "Largest File : $file_max"
                echo "Smallest File : $file_min"
                shift
                ;;
        *)
            usage
            ;;
    esac

done