node js read files recursively

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Claudio
19 Mar 2020
1var fs = require('fs');
2var path = require('path');
3var walk = function(dir, done) {
4  var results = [];
5  fs.readdir(dir, function(err, list) {
6    if (err) return done(err);
7    var i = 0;
8    (function next() {
9      var file = list[i++];
10      if (!file) return done(null, results);
11      file = path.resolve(dir, file);
12      fs.stat(file, function(err, stat) {
13        if (stat && stat.isDirectory()) {
14          walk(file, function(err, res) {
15            results = results.concat(res);
16            next();
17          });
18        } else {
19          results.push(file);
20          next();
21        }
22      });
23    })();
24  });
25};
26
27
28And to test it out on your home directory (WARNING: the results list will be huge if you have a lot of stuff in your home directory):
29
30walk(process.env.HOME, function(err, results) {
31  if (err) throw err;
32  console.log(results);
33});
source
Côme
04 Oct 2018
1var fs = require('fs');
2var path = require('path');
3var walk = function(dir, done) {
4  var results = [];
5  fs.readdir(dir, function(err, list) {
6    if (err) return done(err);
7    var i = 0;
8    (function next() {
9      var file = list[i++];
10      if (!file) return done(null, results);
11      file = path.resolve(dir, file);
12      fs.stat(file, function(err, stat) {
13        if (stat && stat.isDirectory()) {
14          walk(file, function(err, res) {
15            results = results.concat(res);
16            next();
17          });
18        } else {
19          results.push(file);
20          next();
21        }
22      });
23    })();
24  });
25};
26
27And to test it out on your home directory (WARNING: the results list will be huge if you have a lot of stuff in your home directory):
28
29walk(process.env.HOME, function(err, results) {
30  if (err) throw err;
31  console.log(results);
32});
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