#!/bin/sh

tmp="/tmp/dmpdf"
find ${1:-$HOME/docs $HOME/dl} 2> /dev/null | grep -E ".+\.pdf" | sort > "$tmp"
choice="$(\
        sed 's|^/home/aluc|\~| ; s|\([^/]\)[^/]*/|\1/|g' "$tmp" | 
		awk '{printf "%s %s\n", NR ":", $0}' | 
		dmenu -p "pdf:" -l 10 -g 1 -x -i | 
		grep -oE "^[0-9]+:")"
if [ -z "$choice" ]; then
	exit
fi
file="$(sed -n "${choice::-1}p" "$tmp")"
zathura "$file" &