Plex : télécharger les mises à jour automatiquement

#! /bin/bash

target="https://plex.tv/api/downloads/1.json"

if [ "$1" == "cron" ]; then
        cron=1
else
        cron=0
fi

w3m -dump $target 2>/dev/null > /root/plexupdate/tmp/plex_downloads.html
download_url=`cat /root/plexupdate/tmp/plex_downloads.html | grep -ioe '"label"[^}]*' | grep -i "\"distro\":\"ubuntu\"" | grep amd64 | grep -m1 -ioe 'https://[^\"]*'`
latest_version=`echo $download_url | cut -d"/" -f5`

if [ $cron = 0 ]; then echo "Latest version is $latest_version"; fi

current_version=`dpkg -s plexmediaserver | grep Version: | cut -d" " -f2`
if [ $cron = 0 ]; then echo "Current version is $current_version"; fi

if [ ! "$latest_version" == "$current_version" ]; then
        echo "A new plex version is available"

        if [ ! -f /root/plexupdate/plexmediaserver_"$latest_version"_amd64.deb ]; then
                echo "downloading new plex version $latest_version"
                wget $download_url -O /root/plexupdate/plexmediaserver_"$latest_version"_amd64.deb
        fi
        echo "install it using dpkg -i /root/plexupdate/plexmediaserver_"$latest_version"_amd64.deb"
fi