clean unused packages with aur helper yay ( archlinux ) https://wiki.archlinux.org/title/Pacman/Tips_and_tricks#Removing_unused_packages_(orphans)

clean_unused_yay_packages.sh

#!/usr/bin/env dash
unused_packages_file="$HOME/gecici/unused_packages.txt"
echo "do you want a clean $unused_packages_file file ? y/N"
read -r clean_file

if [ "$clean_file" = "y" ]; then
  echo "" >"$unused_packages_file" # clean up
fi

echo "deleting"
yay -Qdtq | gawk '{print $1}' | while read -r pkg; do
  yay -Qi "$pkg" | grep -E '^(Name|Description)' >>"$unused_packages_file"
done

echo "deleting"
yay -Qdtq | yay -Rns -