#! /bin/sh -v
#
# make animated gif from pgm files
#  convert delay is in hundreths of a second,
#  loop 0 is infinite, loop 5 is five times, etc.,
#  dispose previous hides prior frame
# ref: https://webinista.com/updates/how-to-create-animated-gifs-imagemagick/
#
# use delay 100 for small.gif
# use delay 50 for sequential.gif
#
delay="20"; if [ -n "$1" ]; then delay="$1"; fi

convert -delay "$delay" -loop 1 -dispose previous TMP/*.pgm TMP/wordle.gif