/*
// ---- A parallel loop would look like this: ----
var fs = require('fs');
var walk = function(dir, done) {
var results = [];
fs.readdir(dir, function(err, list) {
console.log("list = "+list);
if (err) return done(err);
var pending = list.length;
if (!pending) return done(null, results);
list.forEach(function(file) {
file = dir + '/' + file;
fs.stat(file, function(err, stat) {
if (stat && stat.isDirectory()) {
walk(file, function(err, res) {
results = results.concat(res);
if (!--pending) done(null, results);
});
} else {
results.push(file);
if (!--pending) done(null, results);
}
});
});
});
};
console.log("process = "+process.env.HOME);
*/
// ------
A serial loop would look like this: ----
var fs = require('fs');
var walk = function(dir, done) {
var results = [];
fs.readdir(dir, function(err, list) {
if (err) return done(err);
var i = 0;
(function next() {
var file = list[i++];
if (!file) return done(null, results);
file = dir + '/' + file;
fs.stat(file, function(err, stat) {
if (stat && stat.isDirectory()) {
walk(file, function(err, res) {
results = results.concat(res);
next();
});
} else {
results.push(file);
next();
}
});
})();
});
};
walk(process.env.HOME + "/www/HTML5/nodejs/node_modules/walk", function(err, results) {
if (err) throw err;
console.log(results);
});
