* A function for dot animation.

svn path=/nixpkgs/trunk/; revision=3255

pkgs/misc/tex/nix/animatedot.sh

@@ -0,0 +1,9 @@
+. $stdenv/setup
+
+ensureDir $out
+
+for i in $(seq 1 $nrFrames); do
+    echo "producing frame $i...";
+    targetName=$out/$(basename $(stripHash $dotGraph; echo $strippedName) .dot)-f-$i.dot
+    cpp -DFRAME=$i < $dotGraph > $targetName
+done

pkgs/misc/tex/nix/default.nix

@@ -53,5 +53,11 @@ rec {
       ];
     };
   
-       
+
+  animateDot = dotGraph: nrFrames: pkgs.stdenv.mkDerivation {
+    name = "dot-frames";
+    builder = ./animatedot.sh;
+    inherit dotGraph nrFrames;
+  };
+
 }