fix filename

src/target.ts

@@ -103,7 +103,9 @@ export class Target {
   }
 
   private getFilename(extension) {
-    return `${this.from}-${this.to}.${extension}`;
+    // TODO: use something unique instead of measurement in filename
+    // as measurement field exists only in influxDB metric
+    return `${this.metric.targets[0].measurement}.${this.from}-${this.to}.${extension}`;
   }
 
   private getFilePath(extension) {