..:: Source code - fs-async3.js ::..

/*
Third way of writing fs-async.js
 */

//load modules
var fs = require('fs');


var callback = {
	kallme: function(err, content){
				console.log(content);
			}
}

//asynchronous file reading
fs.readFile('./testfiles/largefile800mb.txt', callback.kallme);

console.log('Do something else!');
 

..:: NodeJS Console - fs-async3.js ::..

$ node fs-async3.js
Do something else!
undefined
$ps -aux | grep node (list all node processes)
sasa         849  0.5  0.5 1318144 86276 ?       Ssl  Oct08 283:01 node /home/sasa/regoch/regoch-www/server
sasa         880  0.4  0.5 1319240 88064 ?       Ssl  Oct08 235:38 node /home/sasa/dex8/dex8-www/server/index.js
sasa         890  0.5  0.5 11797800 85416 ?      Ssl  Oct08 334:19 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         903  0.7  0.5 1329652 82192 ?       Ssl  Oct08 430:49 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         929  0.4  0.4 1300184 68660 ?       Ssl  Oct08 226:10 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa         943  0.4  0.4 1300808 66424 ?       Ssl  Oct08 233:17 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa         980  0.6  0.5 11805104 92308 ?      Ssl  Oct08 364:31 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa         981  0.7  0.6 1148036 104488 ?      Ssl  Oct08 394:54 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1039  0.9  1.4 11953572 245528 ?     Ssl  Oct08 554:58 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa     2044488  0.3  0.4 1298112 66880 ?       Ssl  Nov01  77:16 node /home/sasa/dex8/dex8-panel/server/index.js
sasa     2574087  0.3  0.4 11792920 76736 ?      Ssl  Nov08  41:51 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa     2702010  0.4  0.6 22296952 99620 ?      Ssl  Nov10  35:00 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702011  0.3  0.4 1100276 66192 ?       Ssl  Nov10  31:09 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702018  0.3  0.4 1099884 66156 ?       Ssl  Nov10  31:12 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702019  0.3  0.4 1100516 66868 ?       Ssl  Nov10  31:11 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702046  0.9  0.7 22311780 124024 ?     Ssl  Nov10  84:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702047  0.3  0.3 1099492 64828 ?       Ssl  Nov10  31:28 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702088  0.3  0.4 1100008 65964 ?       Ssl  Nov10  31:12 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702089  0.3  0.4 1099752 66376 ?       Ssl  Nov10  31:08 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702137  0.3  0.4 1099864 65716 ?       Ssl  Nov10  31:00 node /home/sasa/dex8/dex8-worker/starter.js
sasa     2702139  0.4  0.6 22297196 101864 ?     Ssl  Nov10  35:31 node /home/sasa/dex8/dex8-worker/starter.js
sasa     3097623  1.1  0.8 11716736 131248 ?     Ssl  Nov13  44:00 node /home/sasa/dex8/dex8-api/starter.js
www-data 3364624  0.0  0.0   2608   536 ?        S    08:04   0:00 sh -c ps -aux | grep node
www-data 3364626  0.0  0.0   3304   656 ?        S    08:04   0:00 grep node