34 lines
1.6 KiB
Bash
Executable File
34 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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colorprint() {
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echo -e "\e[31m${1}\e[0m"
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}
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SCRIPT_NAME=$(basename "$0")
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test -z "${1}" && echo "File not specified or doesn't exist, aborting. Usage: $SCRIPT_NAME \$FILENAME" && exit 1
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FILE=$1
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# TODO: use -J and jq '.tracks[] | [.properties.number, .type, .codec, .properties.track_name]'
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TRACKS=$(mkvmerge --identify "$FILE" | awk -F"[: ]" '$0 ~ /Track ID/{print $3}')
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# capture JSON output and remove the excessively large code_private_data field
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JSON_OUTPUT=$(mkvmerge -J "$FILE" | jq '.tracks[] | del(.properties.codec_private_data)')
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echo -n "Processing "
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colorprint "$FILE"
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for TRACK in $TRACKS; do
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TRACK_DATA=$(echo "$JSON_OUTPUT" | jq "select(.id == $TRACK)")
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TRACK_NAME=$(echo "$TRACK_DATA" | jq ".properties.track_name")
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TRACK_TYPE=$(echo "$TRACK_DATA" | jq ".type")
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TRACK_CODEC=$(echo "$TRACK_DATA" | jq ".codec")
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TRACK_LANGUAGE=$(echo "$TRACK_DATA" | jq ".properties.language")
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echo -en "\tTrack no. ${TRACK} (${TRACK_TYPE}, ${TRACK_CODEC}, ${TRACK_LANGUAGE})... "
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[[ $TRACK_NAME == "null" ]] && echo "has no title, skipping." && continue
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echo -n "currently set to $TRACK_NAME... "
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shopt -s nocasematch
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[[ $TRACK_NAME =~ full|\stitles|comment|director|sdh|sign|forced ]] && echo "includes whitelisted word, not deleting." && continue
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echo -n "deleting... "
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# mkvmerge --identify indexes tracks from 0, while mkvpropedit indexes from 1
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mkvpropedit "$FILE" --edit track:"$((TRACK+1))" --delete name &>/dev/null
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echo "done."
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done
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echo -en "\tDeleting file title... "
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mkvpropedit "$FILE" --edit info --delete title &>/dev/null
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echo "done."
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