Script to generate 5 sec animated GIF of all mp4 in the folder and sub-folder

generate-preview.sh

clear

search_dir="/mnt/c/"

files="$(find -L "$search_dir" -type f -name '*.mp4')"
echo "Count: $(echo -n "$files" | wc -l)"
echo "$files" | while read file; do
  onlyFilename=$(basename "$file")
  onlyName=$(basename -s .mp4 "$file")
  onlyDir="$(dirname "${file}")" 
  echo ..processing: $onlyFilename
  dkCmd="docker run -v '${onlyDir}':/video jrottenberg/ffmpeg -r 60 -i /video/${onlyFilename} -loop 0 -vf scale=520:-1 -c:v gif -f gif -ss 00:00:01.000 -r 10 -t 5 - > previews/${onlyName}.gif"

  #echo $dkCmd
  echo $dkCmd >> ./listOfCmds.txt
  eval $dkCmd

done