compile_op_episode.sh

find -name "* *" -type f | rename 's/ /_/g'
list=$(ls ./ | grep .mkv)
i=0;
for file in $list
do
    BASE_FILE_NAME=$(echo $file | awk -F".mkv" '{print $1}')
    mkvextract tracks ./$file 2:./${BASE_FILE_NAME}.srt
    startTimeLine=$(cat ${BASE_FILE_NAME}.srt  | grep "Episode Title" | head -n 2 | tail -1 | sed 's/^.*\( 0,0.*\)/\1/g')
    startTime=$(node -e "console.log('${startTimeLine}'.split(',')[1].split('.')[0])")

    #endingTime fica como Ending PT
    endTimeLine=$(cat ${BASE_FILE_NAME}.srt  | grep "Ending PT" | head -n 2 | tail -1 | sed 's/^.*\( 0,0.*\)/\1/g')
    endTime=$(node -e "console.log('${endTimeLine}'.split(',')[1].split('.')[0])")

    duration=$(node -e "var tu = require('./timeUtils'); console.log(tu.getTimeStr(tu.getSeconds('${endTime}') - tu.getSeconds('${startTime}')))");
    echo "START of ${baseFileName}: ${startTime}"
    startCmd="-ss ${startTime}"
    endCmd="-t ${duration}"
    if [ $i == 0 ]; then
        startCmd=""
	duration=$(node -e "var tu = require('./timeUtils'); console.log(tu.getTimeStr(tu.getSeconds('${endTime}')))");
	endCmd="-t ${duration}"
    elif [ $i == $len - 1]; then
        endCmd=""
    fi
    #ffmpeg -ss ${startTime} -t ${duration} -i ${BASE_FILE_NAME}.mkv -codec copy ${BASE_FILE_NAME}_crop.mkv
    ffmpeg ${startCmd} ${endCmd} -i ${BASE_FILE_NAME}.mkv -codec copy ${BASE_FILE_NAME}_crop.mkv
    echo "'./${BASE_FILE_NAME}.mkv' - ${startTime}" >> ~/one_piece_tempos.txt
    echo "file './${BASE_FILE_NAME}_crop.mkv'" >> files.txt
    i=$((i+1))
done
ffmpeg -f concat -safe 0 -i files.txt -c copy join_01_05.mkv

timeUtils.js

module.exports = {
  getSeconds: function(timeStr){
    var a = timeStr.split(':'); // split it at the colons
    var seconds = (+a[0]) * 60 * 60 + (+a[1]) * 60 + (+a[2]); 
    return seconds;
  },
  getTimeStr: function(seconds){
    return new Date(seconds * 1000).toISOString().substr(11, 8)
  }
}