#!/bin/bash
#
# it works.
# Put a tag in your html document where you want to insert data from the np.sh script called <data>. 
#
# export NOWPLAYING=$(ssh user@host /path/to/np.sh)
export NOWPLAYING=$(PATH/TO/np.sh)
file_name="/var/www/html/index.test"
sed  "s,<data>,<data>$NOWPLAYING," $file_name > /var/www/html/index.html