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#!/bin/bash
# Copyright 2025 Florian Fischer
# Find Unterricht root
ROOT="${PWD/\/Unterricht\/*//Unterricht}"
if [ -z "${ROOT}" ]; then
exit 1
fi
LESSON="$(realpath "${1:-"${PWD}"}")"
while read -r topic; do
lesson="$(realpath "${topic}")"
if [ "$(realpath "${lesson}")" = "${LESSON}" ]; then
dirname "${topic}"
fi
done <<< "$(find "${ROOT}" -type l -path "*_*/*topic*")"
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