Fish script to convert movies to GIFs using ffmpeg

to-gif.fish

#!/usr/local/bin/fish

# Usage:
#   ./to-gif somefile.mp4 [more files]
#
# Converts to 'somefile.gif'

set palette /tmp/palette.png
#                 V--------V---- change these if you want :-)
set filters "fps=15,scale=320:-1:flags=lanczos"

for f in $argv
	echo "Processing $f file..."
	set tgt (echo $f | sed -E 's/\.[^.]*$/.gif/')
	ffmpeg -v warning -i $f -vf "$filters,palettegen" -y $palette
	or exit 1
	ffmpeg -v warning -i $f -i $palette -lavfi "$filters [x]; [x][1:v] paletteuse" -y $tgt
	or exit 1
end

rm -f $palette