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#!/usr/bin/env node | |
var fs = require('fs'); | |
var async = require('async'); | |
async.parallel([ | |
copyFile.bind(null, 'resources/file1.txt', 'resources/file1_copy.txt'), | |
copyFile.bind(null, 'resources/file2.txt', 'resources/file2_copy.txt'), | |
copyFile.bind(null, 'resources/file3.txt', 'resources/file3_copy.txt') | |
], function (err, results) { | |
if(err) { | |
console.error('There was an error copying files', err); | |
throw err; | |
} | |
console.log('copied %d files', results.length); | |
}) | |
function copyFile (source, dest, callback) { | |
fs.createReadStream(source) | |
.on('error', callback) | |
.pipe(fs.createWriteStream(dest)) | |
.on('error', callback) | |
.on('finish', callback) | |
} |
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#!/usr/bin/env node | |
var fs = require('fs'); | |
var co = require('co'); | |
var thunkify = require('thunkify'); | |
var copy = thunkify(copyFile); | |
co(function *() { | |
var a = copy('resources/file1.txt', 'resources/file1_copy.txt'); | |
var b = copy('resources/file2.txt', 'resources/file2_copy.txt'); | |
var c = copy('resources/file3.txt', 'resources/file3_copy.txt'); | |
var results = yield [a, b , c]; | |
console.log('copied files', results); | |
})() | |
function copyFile (source, dest, callback) { | |
fs.createReadStream(source) | |
.on('error', callback) | |
.pipe(fs.createWriteStream(dest)) | |
.on('error', callback) | |
.on('finish', callback) | |
} |
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