truncateFile

Description

Takes a file descriptor and truncates the file. Resolves the same fileDescriptor if the truncating executed successfully.

Parameter List	Returns	Rejection Errors
`fileDescriptor: number` `tuple: Array (optional)`	`Promise<number \|\| Array>`	`TruncateFileError` `StringValidationError`
Related Functions	Function Signature
`filterResolutionParam`	`function truncateFile(supposedString[, tuple]): Promise<number \|\| Array>`

Examples

import { truncateFile, openFile } from "puddy-m/lib/fileFunctions";

openFile("./foo.txt", "w")
  .then(truncateFile)
  .then(console.log); // Possible outcome: 17

import { truncateFile, openFile } from "puddy-m/lib/fileFunctions";

const f = async () => {
  const fileDescriptor = await openFile("./foo.txt", "w").then(truncateFile);

  console.log(fileDescriptor); // Possible outcome: 17
};

f();