#!/bin/bash

desktop_files="/usr/share/applications"
desktop_files_home="${HOME}/.local/share/applications"

list_desktop_files() {
  if [ -d "${desktop_files}" ] ; then
    ls -1 "${desktop_files}"
  fi
  if [ -d "${desktop_files_home}" ] ; then
    ls -1 "${desktop_files_home}"
  fi
}

rundesk () {
  if [ -z ${1} ] ; then
    echo "No file entry"
  else
    if [ -f "${1}" ] ; then
      eval "$(awk -F= '$1=="Exec"{$1=""; print}' "$1")"
    else
      echo "File does not exist"
    fi
  fi
}

if [ -f /usr/bin/dex ] ; then
  runDesktop="dex"
else
  runDesktop="rundesk"
fi

list_output=$(list_desktop_files | dmenu "$@")
if [ -f "${desktop_files}/${list_output}" ] ; then
  ${runDesktop} "${desktop_files}/${list_output}"
elif [ -f "${desktop_files_home}/${list_output}" ] ; then
  ${runDesktop} "${desktop_files_home}/${list_output}"
fi