This script converts video to gif by using ffmpeg

gif_convertor.sh

# Usage: 
# command  
# `sh gifconverter.sh /Users/canapio/Desktop/turtle_DEMO_004_4.MP4` 
# on mac

# some configuration
width="240"
fps="12"

# path setup
video_path=$1
directory_path=`dirname "$1"`
file=`basename "$1"`

extension="${file##*.}"
filename="${file%.*}"
echo $extension

gif_path="${video_path%.*}.gif"
echo $gif_path

ffmpeg  -y -i $video_path  -vf fps=$fps,scale=$width:-1:flags=lanczos,palettegen palette.png;
ffmpeg -y -i $video_path -i palette.png -filter_complex "fps=$fps,scale=$width:-1:flags=lanczos[x];[x][1:v]paletteuse" $gif_path;