thumbnailmaker.sh

#!/bin/bash

####################
# Thumbnail Maker - V1.0
# Usage: thumbnailmaker video.mp4 | thumbnailmaker video.mkv 10
# Author: https://gist.github.com/xyvs
####################

if [ "$1" ]; then

  image () {
    percent=$(echo $RANDOM % 80 + 10 | bc)
    filename="thumbnails/$filename-$percent.png"
    ffmpegthumbnailer -i "$1" -s 0 -q 10 -t $percent -o "$filename"
  }

  # Make Folder
  filename="${1%.*}"
  if [ -d "thumbnails" ]; then
    echo "[NFO] Folder Exists"
  else
    mkdir "thumbnails"
  fi

  # Make Image/s
  if [ "$2" ]; then
    for $(seq $2); do
      image $1
    done
  else
    image $1
  fi

  echo "[DONE] Your files are available at $(pwd)/thumbnails"

else
  echo "[USAGE] thumbnailmaker video.mp4 | thumbnailmaker video.mkv 10"