A collection of utility functions for handling files, such as split big file or merge multiple small files.

Install

• npm

  npm install --save @guanghechen/helper-file

• yarn

  yarn add @guanghechen/helper-file

Usage

• BigFileHelper (inspired by split-file)

  import { bigFileHelper, calcFilePartItemsBySize } from '@guanghechen/helper-file'
  
  async function splitFile(filepath: string): Promise<string[]> {
    const parts = calcFilePartItemsBySize(filepath, 1024 * 1024 * 80) // 80MB per chunk 
    const partFilepaths: string[] = await bigFileHelper.split(filepath, parts)
    return partFilepaths
  }
  
  splitFile('big-file.txt')

Overview

Name | Description :----------------------------------:|:----------------------------: BigFileHelper | A utility class for split / merging big files bigFileHelper | Default instance of BigFleHelper calcFilePartItemsBySize | Generate file part items by part size calcFilePartItemsByCount | Generate file part items by total of parts calcFilePartNames | Generate file part names (suffix)