Test JS script file

Selected file: fs-async2.js
Compare console.log() outputs in browser and NodeJS.
Notice: Open browser's console in FireBUG!

  1. 05define_functions.js
  2. 10module_basic1.js
  3. 10module_basic2.js
  4. 10module_basic3.js
  5. 11module_nesting.js
  6. file.js
  7. fs-async.js
  8. fs-async2.js
  9. fs-async3.js
  10. fs-sync.js
  11. fs-sync2.js
  12. http.js
  13. index.html
  14. index.js
  15. my_modules
  16. net.js
  17. npm-debug.log
  18. package.json
  19. promises
  20. socket.js
  21. sys.js
  22. testfiles

..:: Source code - fs-async2.js ::..

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

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


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

//asynchronous file reading
fs.readFile('./testfiles/largefile200mb.txt', callback);

console.log('Do something else!');
 

..:: NodeJS Console - fs-async2.js ::..

$ node fs-async2.js 
Do something else!
undefined

$ps -aux | grep node (list all node processes)
sasa         831  0.5  0.4 1303612 78980 ?       Ssl  Jun15 157:38 node /home/sasa/.pm2/modules/pm2-logrotate/node_modules/pm2-logr
sasa         843  0.5  0.6 11699012 103824 ?     Ssl  Jun15 157:31 node /home/sasa/dex8/dex8-api/starter.js
sasa         858  0.3  0.4 1304640 73172 ?       Ssl  Jun15 120:25 node /home/sasa/regoch/regoch-www/server
sasa         867  0.3  0.4 1300556 68204 ?       Ssl  Jun15 112:45 node /home/sasa/dex8/dex8-panel/server/index.js
sasa         886  0.7  0.7 11829580 117008 ?     Ssl  Jun15 234:30 node /home/sasa/dex8/dex8-www/server/index.js
sasa         888  0.5  0.4 11793740 80248 ?      Ssl  Jun15 166:46 node /home/sasa/mikosoft_hr/www-mikosoft-hr/server/index.js
sasa         904  0.7  0.5 1329652 82000 ?       Ssl  Jun15 221:44 node /home/sasa/mikosoft-info/api-mikosoft-info/starter.js
sasa         910  0.3  0.4 1301220 70648 ?       Ssl  Jun15 113:37 node /home/sasa/mikosoft-info/www-mikosoft-info/server/index.js
sasa         969  0.3  0.4 1298264 65856 ?       Ssl  Jun15 112:21 node /home/sasa/dex8/dex8-kiosk/server/index.js
sasa         970  0.6  0.5 11819768 94932 ?      Ssl  Jun15 205:08 node /home/sasa/mikosoft-info/dodo-mikosoft-info/server/index.js
sasa        1010  0.6  0.6 1148612 104148 ?      Ssl  Jun15 190:06 node /home/sasa/voovuu/voovuu-api/starter.js
sasa        1016  0.8  1.1 11882284 190592 ?     Ssl  Jun15 246:44 node /home/sasa/voovuu/voovuu-pub/server/index.js
sasa        1086  0.4  0.4 11794656 78308 ?      Ssl  Jun15 122:04 node /home/sasa/@mikosoft/dodo-examples/server/index.js
sasa        1089  0.3  0.3 1099356 64608 ?       Ssl  Jun15 115:05 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1159  0.3  0.4 22279740 79496 ?      Ssl  Jun15 117:42 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1160  0.3  0.3 1099356 64128 ?       Ssl  Jun15 115:13 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1241  0.3  0.3 1100952 63432 ?       Ssl  Jun15 115:35 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1242  0.4  0.5 22283240 83932 ?      Ssl  Jun15 122:14 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1323  0.3  0.3 1099100 63096 ?       Ssl  Jun15 115:22 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1324  0.3  0.3 1099616 64236 ?       Ssl  Jun15 115:16 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1398  0.3  0.3 1099104 63200 ?       Ssl  Jun15 115:18 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1400  0.3  0.3 1099612 64460 ?       Ssl  Jun15 115:39 node /home/sasa/dex8/dex8-worker/starter.js
sasa        1465  0.3  0.4 1099360 65636 ?       Ssl  Jun15 115:15 node /home/sasa/dex8/dex8-worker/starter.js
sasa      178968  0.8  0.6 11812120 98776 ?      Ssl  Jun17 223:48 node /home/sasa/mikosoft-info/crypto-mikosoft-info/server/index.
sasa      337381  1.2  1.4 1469616 240760 ?      Ssl  Jun19 299:30 node /home/sasa/crypto/dex-arbitrage-bot/scripts/observer/index2
www-data 1538397  0.0  0.0   2608   600 ?        S    03:19   0:00 sh -c ps -aux | grep node
www-data 1538399  0.0  0.0   3304   728 ?        S    03:19   0:00 grep node