#!/bin/bash

#Company:       PowerCraft Technology
#Author:        Copyright Jelle de Jong <jelledejong@powercraft.nl>
#Note:          Please send me an email if you enhanced this script
#Version:       0.0.2
#Date:          28-02-07 / 18-11-07
#System:        Ubuntu/Debian GNU/Linux
#Information:   man zenity, man sed, man wc
#Information:   http://wooledge.org/~greg/foo.txt
#Information:   http://wooledge.org/mywiki/BashFaq#faq48
#Information:   http://wooledge.org/mywiki/BashFaq#faq50
#Category       Thunar scripts (thunar->edit->custom actions)
#Name:          Get Size
#Description:   Displays the total size of selected items
#Command:       /usr/share/pct-thunar-scripts/scripts/directory-getsize %F
#Patterns:      *
#Directories:   True
#Audio Files:   True
#Image Files:   True
#Text Files:    True
#Video Files:   True
#Other Files:   True

# Did the script work for you?
# Yes
# Yes, but with some errors
# Yes, but I had to change some things
# Not at all

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.

TEXTDOMAINDIR=/usr/share/locale
TEXTDOMAIN=${0##*/}

NAME=$"Get Size"
DESCRIPTION=$"Displays the total size of selected items"

echo $"program:"
echo "$0"

echo $"description:"
echo "$DESCRIPTION"

#whereis zenity
if [ ! -e /usr/bin/zenity  ]
then
    echo $"zenity not found, installing now"
    xterm -e "sudo apt-get install zenity"
fi

for I in "$@"
do
    query+=("${I}")
done

if [ -n "$query" ]
then
    total=$(du --summarize --total --block-size=1M "${query[@]}" | sed 's/\t/M: /')
    #~ total=$(du --summarize --total --human-readable "${query[@]}" | sed 's/\t/     /')

    (( WIDTH = 35 + 7 * $(wc -L <<< "$total") ))
    (( HEIGHT = 80 + 23 * $(wc -l <<< "$total") ))

    echo "$total" | zenity --text-info --title $"Total Disk Usage" --width=$WIDTH --height=$HEIGHT

    #~ echo "$total" | sort --general-numeric-sort | zenity --text-info --title "Total Disk Usage" --width=$WIDTH --height=$HEIGHT

    #"WIDTH = 30 + 7 * $(wc -L <<< "$total")"
    #let WIDTH=$(echo "$total" | wc -L); let WIDTH*=7; let WIDTH+=30
    #let HEIGHT=$(echo "$total" | wc -l); let HEIGHT*=23; let HEIGHT+=80
    #find . -type f -exec ls -s '{}' \; | cut -f 1 -d ' '
    #dir="my dir"; du -shc "${dir}"
    #dirs=("/first thing/with spaces" "/the second one/also with spaces"); du -shc "${dirs[@]}" | whatever
        #args=(-s "The subject" "$address")
        #mail "${args[@]}" < $body
        #query=(a "b c" d); .. ${query[@]}
        #i='1234567'; echo "${i:4}"
        #i='1234567'; echo "${i##????}"
    #set -- a "b c" d
    #set -- a 'b c' d
    #echo "${@}"
    #echo a 'b c' d
    #to see what shell is actually using "set -x"
    #$@ exapnds positional parameters
    #set(1) sets positional parameters
    #set -- a "b c" d  sets $1=a $2="b c" $3=d
        #args=($(${query}))
    # | grep total | cut -f 1 -d \t
    #du -shc "/mnt/hda3/scripts/thunar" "/mnt/hda3/scripts/via-epia-en12000-ultimate" "/mnt/hda3/scripts/via-epia-me6000-ultimate" | grep total | cut -f 1 -d \t
    #help ulimit, man setrlimit, etc.
    #total=$(du -shc "${query[@]}" | grep total)
    #zenity --info --title "Total Size" --text "Total disk space used: $total"
fi

exit 0