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ES6 Class to read .warc or .warc.gz file member by member in nodejs

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Vikasg7/warc-reader

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warc-reader

  • Intro

    warc-reader is a ES6 Class which returns an iterable to iterater over content in a .warc or .warc.gz file member by member using .next() method or for..of loop.

  • Install

    npm install git+https://github.com/Vikasg7/warc-reader.git

  • Syntax

    const reader: WarcReader = new WarcReader(_fileOrFd: string | number, _isGzip?: boolean, _startAt?: number, _chunkSize?: number)
    const iterable = reader.entries()
  • Usage (in TypeScript)

    import { WarcReader, WarcHeaders, WarcRecord } from "warc-reader"
    
    const file = process.argv[2]
    const reader = new WarcReader(file).entries()
    
    const loop = setInterval(() => {
       const {done, value} = reader.next()
       if (!done) {
          const {version, headers: WarcHeaders, content} = <WarcRecord>value
          process.stdout.write(value.content)
       } else {
          clearInterval(loop)
       }
    }, 1)
  • Example

    Check the tests folder in src folder for an example.

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