I've written a sketch (with some help) that can run on a folder full of SVG, manipulate them and then produce gif files of the manipulations. The only problem I'm having appears to lie with Geomerative. It appears to try to load the next file but doesn't display it on screen. Is there a way to unload one file in order to load another? Code is below. It requires Geomerative and GifAnimation

1. import gifAnimation.*;
   import geomerative.*;
   
   RShape shp ;
   RShape polyshp;
   
   int filecount = 0;  //for number of files
   int filecounter = 0; //to read through the next file
   
   String[] svgfile;   //for array of files
   String directory;   //directory of files
   
   String filename;
   
   float svgborder=20;
   float svgaspect, svgwidth, svgheight;
   
   GifMaker gifExport;
   
   void setup() {
     size(500,500);
    
     directory = selectFolder();
     println(directory); 
     File dir = new File(directory);
     svgfile = dir.list();
     println(svgfile);
   
   if (svgfile == null) {
     println("Folder does not exist");
    
   }
   else {
    
       //count how many files there are
       filecount = svgfile.length;
      
       //get the filename and full path of first svg file in directory
       filename = directory + '\\' + svgfile[0];
        
       RG.init(this);
      
       //load first shape
        shp = RG.loadShape(filename);
        shp = RG.centerIn(shp, g, svgborder);
        shp.translate(width/2, height/2);
       
       //create first gif file
        gifExport = new GifMaker(this, svgfile[filecounter]+"_destroyed"+".gif");
        gifExport.setRepeat(0); // make it an "endless" animation
        gifExport.setTransparent(28, 255, 26); // greenscreen effect
        
       //set pointer to next svg file
        filecounter++;
     } 
   }
   
   
   void draw() {
     // Green screen
     background(28, 255, 26);
   
     // We decided the separation between the polygon points dependent of the mouseX
     float pointSeparation = map(constrain(frameCount+175, 175, width-175), 175, width-175, 5, 275);
   
     // We create the polygonized version
     RG.setPolygonizer(RG.UNIFORMLENGTH);
     RG.setPolygonizerLength(pointSeparation);
   
     polyshp = RG.polygonize(shp);
     RG.shape(polyshp);
   
     // sometimes the first frame from the previous gif is displayed
     // so offset recording by 2 frames
     if (frameCount > 2) {
       gifExport.setDelay(1);
       gifExport.addFrame();
     }
   
     //after 92 frames get next file if there is one
     if (frameCount == 20 && filecounter < filecount) {
       filename = directory + '\\' + svgfile[filecounter];
       println(filename);
      
       //load new shape into screen this is the bit I cant get working
       shp = RG.loadShape(filename);
       shp = RG.centerIn(shp, g, svgborder);
       shp.translate(width/2, height/2);
      
       //polyshp = RG.polygonize(shp);
       RG.shape(polyshp);
      
       //close last gif file
       gifExport.finish();
      
       //open up next gif file
       gifExport = new GifMaker(this, svgfile[filecounter]+"_destroyed"+".gif");
       gifExport.setRepeat(0); // make it an "endless" animation
       gifExport.setTransparent(28, 255, 26); // greenscreen effect
      
       //reset framecount
       frameCount=0;
       //move pointer to next svg file
       filecounter++;
     }
     else {
       println("Files Processed");
     }
   
     println(frameCount);
   }