README
Synchroneous, Buffered, Line by Line File Reader
Simple library to read a file line by line, without loading the full file in memory. Ideal to read massive files.
Usage:
var BufferedFileLineReaderSync = require('buffered-file-line-reader-sync');
var line;
var filename = 'path/to/big/file';
var options = {
encoding: 'utf8',
bufferSize: 8192
}
bufferedReader = new BufferedFileLineReaderSync(filename, options);
while (bufferedReader.hasNextLine()) {
console.log(bufferedReader.nextLine());
}
API:
Class: BufferedFileLineReaderSync(path [, options])
path
: path to the file to readoptions
: object with the following parameters:- string
encoding
(defaults to'utf8'
): any encoding supported byBuffer.toString
method of theBuffer
node base class. - int
bufferSize
(defaults to 8192): size in octets (bytes) of the underlying buffer used.
- string
nextLine()
Reads the next line in the file. Returns null
if done reading.
hasNextLine()
Returns a boolean value to indicate if all lines have been read.