gunqqer@Friithian:~$ find /etc/apt/sources.list.d -type f -name "*.list" -print0 | \
>     while read -d $'\0' file; do awk -F/ '/deb / && /ppa\.launchpad\.net/ {print "sudo ppa-purge ppa:"$4"/"$5}' "$file"; done
sudo ppa-purge ppa:kubuntu-ppa/backports
sudo ppa-purge ppa:ubuntu-x-swat/intel-graphics-updates
sudo ppa-purge ppa:noobslab/themes
sudo ppa-purge ppa:nathan-renniewaldock/flux
sudo ppa-purge ppa:ubuntu-x-swat/updates
sudo ppa-purge ppa:oibaf/graphics-drivers
sudo ppa-purge ppa:philip.scott/elementary-tweaks
sudo ppa-purge ppa:elementary-os/stable
sudo ppa-purge ppa:linrunner/tlp
sudo ppa-purge ppa:obsproject/obs-studio
sudo ppa-purge ppa:ravefinity-project/ppa
sudo ppa-purge ppa:upubuntu-com/ppa
sudo ppa-purge ppa:nilarimogard/webupd8
sudo ppa-purge ppa:hluk/copyq