Function readFile

cli/src/tasks/migrate.ts:434–444

(filename: string)

}

function readFile(filename: string): string | undefined {
  try {
    if (!existsSync(filename)) {
      logger.error(`Unable to find ${filename}. Try updating it manually`);
      return;
    }
    return readFileSync(filename, 'utf-8');
  } catch (err) {
    logger.error(`Unable to read ${filename}. Verify it is not already open. ${err}`);
  }
}

function getGradleWrapperVersion(filename: string): string {
  const txt = readFile(filename);