This script is intended to keep you up to date with discord. It keeps track of old versions in dummy text files for simplicity and storage saving purposes. Discord often makes linux users download the deb file every time a new update is available which is a waste of the valuable time of a Linux power user.

update_discord.sh

 #!/bin/bash
 
 get_redirected_url() {
     local url="$1"
     final_url=$(curl -s -L -o /dev/null -w '%{url_effective}' "$url")
     echo "$final_url"
 }
 
 extract_version() {
     local url="$1"
     if [[ $url =~ /([0-9]+\.[0-9]+\.[0-9]+)/ ]]; then
         version="${BASH_REMATCH[1]}"
         echo "$version"
     else
         echo "Version number not found"
     fi
 }
 
 echo "Checking version information."
 url="https://discord.com/api/download/stable?platform=linux&format=deb"
 final_url=$(get_redirected_url "$url")
 version=$(extract_version $final_url)
 filename="discord-${version}.deb"
 filepath="discord_versions/${filename}"
 echo "Final URL: $final_url"
 echo "Version: $version"
 
 # Check if directory exists
 if [ ! -d "discord_versions" ]; then
     echo "Creating directory: discord_versions"
     mkdir "discord_versions"
 fi
 
 if find discord_versions -type f -name "${filename}.txt" | grep -q .; then
     echo "Version file exists, you are likely up to date."
 else
     echo "Version does not exist, downloading and installing."
     # Delete real file and replace with dummy
     wget $final_url && sudo apt install "${PWD}/${filename}" && rm "${PWD}/${filename}" && touch "${PWD}/${filepath}.txt"
 fi