Create thumbnails for all video files in directory using ezthumb

thumbnails.sh

#!/usr/bin/env bash

# https://sourceforge.net/projects/ezthumb/

function create_thumbnail {
    ext="$1"

    find . -type f -name "*.${ext}" -printf '%h\0' | sort -zu | while IFS= read -r -d '' dir; do
        ezthumb --grid 8x5 --format "jpg@99" "${dir}/*.${ext}"
        #echo "${dir}/*.${ext}"
    done
}

# find . -type f | perl -ne 'print $1 if m/\.([^.\/]+)$/' | sort -u
declare -a extensions=('MKV' 'avi' 'flv' 'm4v' 'mkv' 'mov' 'mp4' 'mpeg' 'wmv')

# (Re)Create thumbnails
find . -type f -regex '.*_thumb\(\.[0-9]+\)?\.jpg' -delete
for ext in "${extensions[@]}"; do
    #echo "${ext}"
    create_thumbnail "${ext}"
done