Created
December 21, 2011 09:54
-
-
Save piscis/1505444 to your computer and use it in GitHub Desktop.
Parallel & serial directory walker
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
var fs = require('fs'); | |
var walk = function(dir, done) { | |
var results = []; | |
fs.readdir(dir, function(err, 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); | |
} | |
}); | |
}); | |
}); | |
}; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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(); | |
} | |
}); | |
})(); | |
}); | |
}; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
walk(process.env.HOME, function(err, results) { | |
if (err) throw err; | |
console.log(results); | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment