blackhalt · October 28, 2019 15:03
diff --git a/random_gif.sh b/random_gif.sh
 #!/bin/bash

 convert -size 512x512 xc: +noise Random random.png
 name="$(date +%s)"

 for i in `seq 0 10 359`; do
 j=`expr $i \* 5`
 convert random.png -channel G \
 -function Sinusoid 1,${i} \
 -virtual-pixel tile -blur 0x40 -auto-level \
 -function Sinusoid 13,${j} \
 -separate +channel miff:-
 done |
 convert miff:- -set delay 10 -loop 0 ${name}.gif
	#!/bin/bash

	convert -size 512x512 xc: +noise Random random.png
	name="$(date +%s)"

	for i in `seq 0 10 359`; do
	j=`expr $i \* 5`
	convert random.png -channel G \
	-function Sinusoid 1,${i} \
	-virtual-pixel tile -blur 0x40 -auto-level \
	-function Sinusoid 13,${j} \
	-separate +channel miff:-
	done \|
	convert miff:- -set delay 10 -loop 0 ${name}.gif