Convert swf to gif

gistfile1.txt

swfrender -o out.png fig_1853.swf
mogrify -resample 72x72 -resize 256x256 *.png
convert -delay 100 -loop 1 out-*.png animation.gif
convert -delay 10 -loop 1 -background white -alpha remove -layers OptimizePlus out-*.png animation.gif


convert                                                  \
  -delay 10                                              \
   $(for i in $(seq 0 5 100); do echo foo${i}.png; done) \
  -loop 0                                                \
   animated.gif