Method checkNewFilename

arduino-core/src/processing/app/Sketch.java:268–276

Check if renaming or adding a file would cause a problem because the file already exists in this sketch. If so, an IOEXception is thrown. @param newFile The filename of the new file, or the new name for an existing file.

(File newFile)

   *          existing file.
   */
  protected void checkNewFilename(File newFile) throws IOException {
    // Verify that the sketch doesn't have a filem with the new name
    // already, other than the current primary (index 0)
    if (findFileIndex(newFile) >= 0) {
      String msg = I18n.format(tr("The sketch already contains a file named \"{0}\""), newFile.getName());
      throw new IOException(msg);
    }

  }

  /**
   * Rename this sketch' folder to the given name. Unlike saveAs(), this