track the related video based on MPV state

match_md5.sh

#!/usr/bin/bash

if [ $# -eq 0 ]; then
    echo "Usage: match_md5.sh <video_path>"
    exit 1
fi

find "$1" -type f -exec sh -c '
  # another alternative for $HOME: readlink
  MPV_STATE_PATH="$HOME/.local/state/mpv/watch_later"
  for file; do
    checksum=$(echo -n "$file" | md5sum | awk "{print \$1}" | sed "s/[a-z]/\U&/g" | tr -d "\n")
    if [[ -e "$MPV_STATE_PATH/$checksum" ]]; then
      echo "File $file matched with checksum $checksum"
    else
      echo "No match for $file with checksum $checksum"
    fi
  done
' sh {} +

related link: Gtihub Issue