How to use the do.parallel function in do
To help you get started, we’ve selected a few do examples, based on popular ways it is used in public projects.
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creationix / node-blog / build.js View on Github 
exports.build = function (next, error_handler) {
// Load up the data files
Do.parallel(
process_folder(AUTHOR_DIR),
process_folder(ARTICLE_DIR),
process_folder(SKIN_DIR)
)(function (authors, articles, templates) {
var group = Do.combo(function() {
next("Done!\n" + Array.prototype.map.call(arguments, function (args) {
return args[0] + " - " + args[1];
}).join("\n"))
});
function write_file(filename, content) {
var cb = group.add();
fs.writeFile(filename, content)(function () {
cb(new Date(), " Wrote " + content.length + " bytes to " + filename);
}, error_handler);
}
