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line-reader is a ES6 Generator function which returns an iterable to iterater over lines in a
file
orstdin
one by one using.next()
method orfor..of
loop. -
npm install git+https://github.com/Vikasg7/line-reader.git
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import { LineReader } from "line-reader" // FromLine and ToLine are optional arguments const filePathOrStdin = "path-to-file.txt" || process.stdin const FromLine: number = 1 // default is 0 const ToLine: number = 5 // default is Infinity const chunkSizeInBytes = 8 * 1024 // default is 64 * 1024 const list: IterableIterator<string> = LineReader(filePathOrStdin, FromLine, ToLine, chunkSizeInBytes) // Call list.next to iterate over lines in a file list.next() // Iterating using a for..of loop for (const item of list) { console.log(item) }
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Check the tests folder in src folder for an example.
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NodeJs *Generator function to read a file line by line
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