#!/bin/sh# SPDX-License-Identifier: LGPL-2.1-or-laterdir=$(mktemp -d)cd "$dir"process(){if [ -z "$1" ]; thenreturnficase "$1" in\#*);;*)echo "$1"> authorized_keysecho "$(LC_ALL=C ssh-keygen -l -f authorized_keys)"echo "$1";;esac}sed -e '$a\' | while read -r line; doprocess "$line"donerm -f "$dir/authorized_keys"rmdir "$dir"