Method truncate

fs/unstable_types.ts:479–479

* Truncates (or extends) the file to reach the specified `len`. If `len` is * not specified, then the entire file contents are truncated. * * @example Truncate the entire file * ```ts ignore * import { open } from "@std/fs/unstable-open"; * using file = await open("my_file.txt", {

(len?: number)

   * ```
   */
  truncate(len?: number): Promise<void>;
  /**
   * Synchronously truncates (or extends) the file to reach the specified `len`.
   * If `len` is not specified, then the entire file contents are truncated.