1 files changed, 27 insertions, 0 deletions
diff --git a/doit.sh b/doit.sh
new file mode 100755
index 0000000..da8bcb7
--- /dev/null
+++ b/doit.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+GIFURL="$1"
+GIF=$( basename "$GIFURL" )
+FMT=cursor_%03d.png
+
+if [ ! -f "$GIF" ] ; then
+    wget "$GIFURL" -O "$GIF"
+fi
+
+convert -coalesce "$GIF" $FMT
+
+FRAMES=$( ls cursor_*.png | wc -l )
+INCR=$( echo 4k 100 $FRAMES / p | dc )
+
+cat <<EOF
+/* 
+ * gif cursor from $GIFURL
+ * dumb idea from https://css-tricks.com/forums/topic/animated-cursor/
+ */
+* { animation: cursor 1s infinite; }
+@keyframes cursor {
+EOF
+for P in $( seq 0 $(( $FRAMES - 1 )) ) ; do
+    echo $( echo 15k 100 $FRAMES 1- / $P \* 0k 1/ p | dc )'% { cursor: url('$( printf $FMT $P )'), auto; }'
+done
+echo '}'