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
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
montage $(ls *.{png,jpg} -tr) -mode Concatenate -tile 2x50+1+1 -border 2 _"${PWD##*/}".jpg
montage $(ls *.{png,jpg} -tr) -mode Concatenate -tile 3x50+1+1 -border 2 _"${PWD##*/}".jpg
ls | cat -n | while read n f; do echo "$f -> " `printf "%03d.png" $n`; done
# sort by time & reverse |
ls *.png -tr | cat -n | while read n f; do cp "$f" `printf "pics/%03d__$f" $n`; done
