websearch()
{
  # See <https://duckduckgo.com/bangs>.
  xdg-open "https://duckduckgo.com/lite/?q=!ducky ${2+site:}$*"
}

webdebian()
{
  xdg-open "https://packages.debian.org/search?searchon=names&section=all&keywords=$*"
}

webubuntu()
{
  xdg-open "https://packages.ubuntu.com/search?searchon=names&section=all&keywords=$*"
}