Reduce spurious logging

src/ssh.go

@@ -212,10 +212,12 @@ func (rb *RouterBackup) BackupCommands(commands []string, outputDir string) erro
 		file.WriteString(output)
 		file.Close()
 
-		fmt.Printf("Output saved to %s\n", filepath)
 		successCount++
 	}
 
+	if successCount > 0 {
+		fmt.Printf("Output saved to %s\n", filepath)
+	}
 	fmt.Printf("Summary: %d/%d commands successful\n", successCount, len(commands))
 	return nil
 }