Node.js Readline Module
Example
Open a file and return the content line by line:
var readline = require('readline');
var fs = require('fs');
var
myInterface = readline.createInterface({
input:
fs.createReadStream('demofile1.html')
});
var lineno = 0;
myInterface.on('line', function (line) {
lineno++;
console.log('Line number ' + lineno + ': ' + line);
});
Run example »
Defintion and Usage
The Readline module provides a way of reading a datastream, one line at a time.
Syntax
The syntax for including the Readline module in your application:
var readline = require('readline');
Readline Properties and Methods
| Method | Description |
|---|---|
| clearLine() | Clears the current line of the specified stream |
| clearScreenDown() | Clears the specified stream from the current cursor down position |
| createInterface() | Creates an Interface object |
| cursorTo() | Moves the cursor to the specified position |
| emitKeypressEvents() | Fires keypress events for the specified stream |
| moveCursor() | Moves the cursor to a new position, relative to the current position |
