main-menu.sh

#!/bin/bash
clear
######here all the variables#######################################################################################
apps="git curl dialog"                                                           #add here your application
ohmyzsh="https://raw.githubusercontent.com/Mr-Phil1/Linux/master/install-zsh.sh" #path to my zsh install script
zshconfig="https://raw.githubusercontent.com/Mr-Phil1/Linux/master/zsh-conf.sh"  #path to my .zshrc config
ydl="https://raw.githubusercontent.com/Mr-Phil1/Linux/master/install-ydl.sh"     #path to the youtube-dl install Script
dlna="https://raw.githubusercontent.com/Mr-Phil1/Linux/master/install-dlna.sh"   #path to my my minidlna install script
h=${20}                                                                          # box height default 10
w=${50}                                                                          # box width default 41
####################################################################################################################

#this is the auto-install routine
if ! dpkg -s $apps >/dev/null 2>&1; then
  sudo apt-get install $apps -y
fi

# utilitymenu.sh - A sample shell script to display menus on screen
# Store menu options selected by the user
INPUT=/tmp/menu.sh.$$

# Storage file for displaying cal and date command output
OUTPUT=/tmp/output.sh.$$

# get text editor or fall back to vi_editor
vi_editor=${EDITOR-nano}

# trap and delete temp files
trap "rm $OUTPUT; rm $INPUT; exit" SIGHUP SIGINT SIGTERM

#
# Purpose - display output using msgbox
#  $1 -> set msgbox height
#  $2 -> set msgbox width
#  $3 -> set msgbox title
#
function display_output() {
  local h=${1-20}     # box height default 10
  local w=${2-41}     # box width default 41
  local t=${3-Output} # box title
  dialog --backtitle "Linux Shell Script Tutorial" --title "${t}" --clear --msgbox "$(<$OUTPUT)" ${h} ${w}
}

function show_zsh() {
  sh -c "$(curl -fsSL $ohmyzsh)"
}

function show_update() {
  clear &&
    echo "Es werden nun die aktuellsten Updates geholt und installiert." &&
    sudo apt-get update -y >/dev/null &&
    # echo "Hier ist einen Liste der zu updateten Programmen" &&
    dialog --prgbox "Hier ist einen Liste der zu updateten Programmen" "sudo apt list --upgradable" ${h} ${w} &&
    # sudo apt list --upgradable &&
    sudo apt-get upgrade -y >/dev/null &&
    echo "Die Update sind nun fertig gestellt!" &&
    clear
}

function show_neofetch() {
  sudo apt install neofetch -y
}

function show_remove() {
  sudo apt purge zsh -y
  sudo rm -r ${HOME}/.oh-my-zsh
}

function show_ydl() {
  if ! dpkg -s python ffmpeg >/dev/null 2>&1; then
    sudo apt-get install python ffmpeg -y
  fi
  sudo sh -c "$(curl -fsSL ${ydl})"
}

function show_dlna() {
  ./install-dlna.sh
}

function show_neo() {
  nano ${HOME}/.config/neofetch/config.conf
}

function show_config() {
  sh -c "$(curl -fsSL ${zshconfig})"
  nano ${HOME}/.zshrc
}

function show_editor() {
  nano ${HOME}/.zshrc
}

#
# set infinite loop
#
while true; do

  ### display main menu ###
  dialog --clear --backtitle "Mr. Phil Install Menu" \
    --title "[ M A I N - M E N U ]" \
    --menu "You can use the UP/DOWN arrow keys, the first \n\
letter of the choice as a hot key.
Choose the TASK" 15 50 4 \
    Update "Update the system" \
    ZSH "Install ZSH + Oh-My-ZSH" \
    Neofetch "Install Neofetch" \
    Remove "Remove ZSH + Oh-My-ZSH" \
    Youtube-dl "Install YT-dl (python + ffmpeg)" \
    miniDLNA "Install the miniDLNA Service" \
    Add "Add my .zshrc config" \
    Editor "Edit the .zshrc" \
    Neo "Edit the neofetch config" \
    Close "Exit to the shell" 2>"${INPUT}"

  menuitem=$(<"${INPUT}")

  # make decsion
  case $menuitem in
  Update) show_update ;;
  ZSH) show_zsh ;;
  Neofetch) show_neofetch ;;
  Remove) show_remove ;;
  Youtube-dl) show_ydl ;;
  miniDLNA) show_dlna ;;
  Add) show_config ;;
  Editor) show_editor ;;
  Neo) show_neo ;;
  Close)
    clear
    echo "Auf Wiedersehen"
    break
    ;;
  esac

done

# if temp files found, delete em
[ -f $OUTPUT ] && rm $OUTPUT
[ -f $INPUT ] && rm $INPUT