Convert video to a high quality gif file using FFMPEG and Bash

make_gif

#!/usr/bin/env bash

input_video=$1
echo "Input Video: $input_video"

if [ -z "$1" ]; then
        read input_video
fi

echo "Skip Second: "
read skip_second

echo "Duration: "
read duration


echo "FPS: "
read fps 

echo "Scale: "
read scale

echo "Output gif filename (example: output.gif): "
read output

ffmpeg -y -ss $skip_second -t $duration -i $input_video -vf fps=$fps,scale=$scale:-1:flags=lanczos,palettegen palette.png
ffmpeg -ss $skip_second -t $duration -i $input_video -i palette.png -filter_complex "fps=$fps,scale=$scale:-1:flags=lanczos[x];[x][1:v]paletteuse" $output
rm palette.png