Bash script to remove all non-english audio/subtitle tracks from a group of MKV files

clearTracks.sh

#! /bin/sh

MKVMERGE="<mkvmerge_path>"
INPUT_FOLDER="<input_folder>"
OUPUT_FOLDER="<output_folder>"

for entry in "$INPUT_FOLDER"/*.mkv; do
    NAME=$(basename "$entry")

    # remove all non-english autio/subtitles tracks
    "${MKVMERGE}" -o "${OUPUT_FOLDER}/${NAME}" -a eng -s eng "${entry}"
done