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How to read a file line by line using node.js ?

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How to read a file line by line using node.js ?

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YasminRadwan26

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2022-05-15

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How to read a file line by line using node.js

node.js programming,

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YasminRadwan26

2022-05-15

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Solution

Readline Module in Node.js allows the reading of input stream line by line. The given node.js code open the file 'demo.html' and return the content line by line.

var readline = require('readline');
var fs = require('fs');

var file= readline.createInterface({
  input: fs.createReadStream('demo.html')
});

var lineno = 0;
file.on('line', function (line) {
  lineno++;
  console.log('Line number ' + lineno + ': ' + line);
});

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