Saving images – the code

//  this is for processing2
// use: "saveImage();" to save the screen image

void saveImage(){
  selectOutput(" where do you want to save the image ?","saveImageCallback"); 

void saveImageCallback(File selection) {
  if (selection!=null) {                            
    String filePath=selection.getAbsolutePath();
    String[] filePathPieces=split(filePath,".");          
    if(filePathPieces.length==1) filePath=filePathPieces[0]+".png";
    println("output filepath is: "+filePath);

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