#!/bin/sh
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#  ___                         __  __                 _          
# / _ \ _ __ ___   __ _ _ __  |  \/  | __ _  __ _  __| |_   _     
#| | | | '_ ` _ \ / _` | '__| | |\/| |/ _` |/ _` |/ _` | | | |   
#| |_| | | | | | | (_| | |    | |  | | (_| | (_| | (_| | |_| |   
# \___/|_| |_| |_|\__,_|_|    |_|  |_|\__,_|\__, |\__,_|\__  |   
#                                           |___/       |___/     
#                                                                
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path="/run/media/pengu/New Volume/Omar/Self learning/Books/English books/Books for computer science/"
choice=$(ls "$path" | dmenu -l 10)
new_choice=$choice

while [ -d "$path/$new_choice" ] 
do
  choice=$(ls "$path/$new_choice" | dmenu -l 10)
  new_choice+="/"
  new_choice+=$choice #path/books for cs/
  echo $new_choice
done

zathura --mode fullscreen "$path/$new_choice"