convert $(ls *.png | sort -r) +append res/result-sprite-vertical.png
convert $(ls *.png) -append res/result-sprite-horizontal.png
convert *png *gif -append PNG8:res/result-sprite-horizon.png
imagemagick Montage #
montage *.png -background transparent -geometry +4+4 res/sprite.png
montage $(ls *.png -t) -mode Concatenate -tile 2x16+1+1 -border 2 res/sprite.png