nixos-config/users/simon/modules/scripts/mkvextract-all-attachments

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#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2020-2021 Simon Bruder <simon@sbruder.de>
#
# SPDX-License-Identifier: Apache-2.0
set -eo pipefail
mkvextract "$1" attachments "$(mkvmerge --identify "$1" | grep "Attachment ID" | sed "s/Attachment ID \([0-9]*\): .*/\1/")"