debfile

#!/bin/bash
set -euo pipefail

if [ $# -ge 1 ] && [[ $1 == "-h" || $1 == "--help" ]] ; then
    cat >&2 <<EOM
usage: $(basename "$0") FILE

Open a browser window with debian file search for FILE.
This is useful if you are on a system that cannot use command-not-found or
apt-file.
EOM
fi

xdg-open "https://packages.debian.org/search?suite=sid&arch=amd64&mode=exactfilename&searchon=contents&keywords=$1"