#!/bin/sh
# Time-stamp: <dom 20-jan-2008 05:27:37 exal on bernardita>
# Autor: Exal de Jesus Garcia Carrillo <exal AT softwarelivre DOT org>
# Copyright (C) 2007,2008 Exal de Jesus Garcia Carrillo

SCRIPTNAME=`echo "$0" | sed -e 's,.*/,,'`
OPTION=$1
NUMBER=$2

if [ -z $1 ] || [ -z $2 ]; then

echo -e "usage: $SCRIPTNAME <OPTION> <NUMBER TO CONVERT>"

cat <<EOF

This script is for convert units, the options are:
-b   for bytes
-k   for kilobytes
-m   for megabytes
-g   for gigabytes

EOF

  exit 0
   fi

case $1 in

    -b)

echo -e "$2 Bytes are equal to:\n"
echo "$2/1024*100000/100000" | bc | xargs echo "Kilobytes"
echo "$2/1048576*100000/100000" | bc | xargs echo "Megabytes"
echo "$2/1073741824*100000/100000" | bc | xargs echo "Gigabytes"

 exit 0
        ;;
    -k)

echo -e "$2 Kilobytes are equal to:\n"
echo "$2*1024*100000/100000" | bc | xargs echo "Bytes"
echo "$2/1024*100000/100000" | bc | xargs echo "Megabytes"
echo "$2/1048576*100000/100000" | bc |xargs echo "Gigabytes"

 exit 0
        ;;

    -m)

echo -e "$2 Megabytes are equal to:\n"
echo "$2*1048576*100000/100000" | bc | xargs echo "Byte"
echo "$2*1024*100000/100000" | bc | xargs echo "Kilobyte"
echo "$2/1024*100000/100000" | bc | xargs echo "Gigabyte"

        ;;

    -g)

echo -e "$2 Gigabytes are equal to:\n"
echo "$2*1073741824*100000/100000" | bc | xargs echo "Bytes"
echo "$2*1048576*100000/100000" | bc | xargs echo "Kilobytes"
echo "$2*1024*100000/100000" | bc |xargs echo "Megabytes"

 exit 0
        ;;


    *)

echo -e "Invalid option, try \`\`$SCRIPTNAME -h'' for help usage."
        ;;


esac