merge-mkv-video-files.sh

#!/bin/sh

# https://unix.stackexchange.com/a/568840
# https://forums.bunsenlabs.org/viewtopic.php?id=4529

for i in *.mkv; do
    if [ -f "${i%.*}".ass ] && [ ! -e "${i%.*}"-[HPriest].mkv ]; then
        mkvmerge -o ./merged/"${i%.*}"-HPriest.mkv "$i" "${i%.*}".ass --attach-file "Arial_Bold.ttf" "Arialbi.TTF"
    fi
done