Revise paste Linux Shell Kodi Control XBMC

#!/bin/bash
###################################################################### 
#Copyright (C) 2018  Kris Occhipinti
#https://filmsbykris.com

#Remote control for Kodi/XMBC

#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/>.
######################################################################

server="192.168.1.146"
port="80"
link="$(xclip -o)"

function main(){
  youtube
  playvideo
}

function playvideo(){
  curl -s --data-binary\
    '{"jsonrpc":"2.0","id":"1","method":"Player.Open","params":{"item":{"file":"'"$vid"'"}}}'\
    -H 'content-type: application/json;' http://$server:$port/jsonrpc
  }

function output(){
  echo "$1"
  notify-send -t 3000 "Kodi Play" "$1"
}

function youtube(){
  output "Checking link $link..."
  vid="$(youtube-dl -g -f 22 $link||youtube-dl -g -f 18 $link || echo "$link")"
  output "Playing $vid"
}

main