refresh file list before removing to attempt to fix #1

downloader.mjs

@@ -95,6 +95,8 @@ export async function updateImages(count) {
     }
 
     //Remove old files
+    files = fs.readdirSync('images/raw');
+    image_count = files.length;
     for (let file of files.sort().slice(0, image_count - count)) {
         console.log(`Deleting ${file}`);
         fs.unlinkSync(`images/raw/${file}`);