UNIXwz0r - video-setup (re-written with dialog)

#!/bin/bash
#----------------------------------------------------------------------------------------
# Script Created by Gary Perreault - Tux Hat Linux Project ([email protected])
# IRC Freenode #bsdgeekclub @UNIXwz0r @Vincent0ne-
# Distro Sourceforge - https://sourceforge.net/projects/tuxhatlinux/
# Distro Youtube - https://www.youtube.com/channel/UCDXUtAdTuZSRDFgBHC2gaGA
# Distro Pastebin - http://pastebin.com/u/unixwz0r
# Distro Deviantart -http://ipodpunker.deviantart.com/
# Distro Dailymotion - http://www.dailymotion.com/tuxhatlinux
#----------------------------------------------------------------------------------------
#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 3 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, see <http://www.gnu.org/licenses/>.
#----------------------------------------------------------------------------------------
# Run this script after your first boot with archlinux (as root)
#----------------------------------------------------------------------------------------
# Explaination of the Script:
#
# Setup-Tuxhat using Dialog. The main menu script has like 8 seperate setup scripts.
#
# Scripts are listed in # Scripts below
##########################################################################################

# Top program dir is used for testing

# Global Stuff
UPDATEPACMAN="sudo pacman -Syy"
CATALYST="yaourt -S catalyst-test"
NVIDIA="yaourt -S nvidia nvidia-utils"
MULTILIB="sudo nano /etc/pacman.conf"
STH="setup-tuxhat"
TITLENAME="Tux Hat Linux Video Setup"
DIALOGRC=${DIALOGRC}
DISTNAME='Tux Hat Linux '
DISTVER='v3.4'
DASH='-'
SCRIPTNAME='Video Setup Script'
MNT=/mnt
CONFIGFILE=/home/gary/Test/setup-tuxhat.conf

if [[ -f $CONFIGFILE ]]; then
  source $CONFIGFILE
else
  echo "Error missing file: setup-tuxhat.conf - Required by program"
  exit 1
fi

### Program for making the UI

DIALOG=${DIALOG=dialog}
#DIALOG=${DIALOG=Xdialog}

# Temp files

tmpfile=`tmpfile 2> /dev/null` || tmpfile=/tmp/tmpfile$$
trap "rm  -f $tmpfile" 0 1 2 5 15

###############
# Video-Setup #
###############
videosetupmenuchoices()

{
        case $choice in

            "1")
            $MULTILIB
            videosetupmenu
            ;;
            "2")
            $UPDATEPACMAN
            videosetupmenu
            ;;
            "3")
            $CATALYST
            videosetupmenu
            ;;
            "4")
            $NVIDIA
            setuptuxhatmenu
            ;;

        esac
}

videosetupmenu()  # Video Setup Main Menu

{

    while :
    do
        DIALOGRC="$DIALOGRC" $DIALOG --backtitle "$DISTNAME$DISTVER $DASH $SCRIPTNAME " --no-shadow \
        --ok-label 'Select' --cancel-label 'Exit' \
        --title "$TITLENAME" --menu "Select Task 1-4 to Setup Video Drivers" 11 55 26 \
        "1." "Uncomment multilib in pacman for 32 bit apps" \
        "2." "Update Pacman" \
        "3." "AMD Catalyst Lastest Test Drivers" \
        "4." "nVidia Latest Drivers + Utils" 2> $tmpfile

        mmretval=$?
        choice=`cat $tmpfile`

    case $mmretval in
    0)
      archlinuxmenuchoices
    ;;

    1)
    if DIALOGRC="$DIALOGRC" $DIALOG --yesno "Do you want to exit?\n" 5 24
    then
        exit 0
    fi

    ;;
    255)
   # echo "ESC key pressed"

    ;;
    esac
done
}

########################################################################
#
#          End of Script -- Tux Hat Linux Development -- UNIXwz0r
#
########################################################################

videosetupmenu