A wrapper of line-by-line module that returns a promise for every line read, enabling generator operations
npm install line-by-line-promiseis a NodeJS module that reads large text files line by line, without buffering
the files into memory. It is built upon line-by-line
but returns Promise for every line read, enabling generator based
flow-control.
``shell`
npm install line-by-line-promise
`javascript
var LineReader = require('line-by-line-promise');
var file = new LineReader('big_file.txt');
// Example using co: https://github.com/tj/co
co(function* () {
var line;
// note that eof is defined when readLine() yields null
while((line = yield file.readLine()) !== null) {
console.log(line);
}
});
// Example using bluebird: https://github.com/petkaantonov/bluebird
Promise.coroutine(function* () {
var line;
// note that eof is defined when readLine() yields null
while((line = yield file.readLine()) !== null) {
console.log(line);
}
})();
MIT License. See license text in LICENSE