update-discord.sh

#!/bin/bash

url="https://discord.com/api/download?platform=linux"

remote_version=$(curl -sIL $url | grep location: | cut -d/ -f7 | sed -ne 's/discord-\([0-9.]*\)\.deb/\1/p' | tr -d '\r$')
local_version=$(dpkg-query -W -f'${Version}\n' discord)

rc=$(dpkg --compare-versions "${local_version}" "lt" "${remote_version}"; echo $?)

if [ $rc -eq 0 ]; then
  curl -s -L -o /tmp/discord.deb "$url"
  sudo dpkg -i /tmp/discord.deb
  rm -f /tmp/discord.deb
fi