Created
September 29, 2011 05:02
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Node.js ファイルのダウンロード
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var fs = require('fs'); | |
var path = require('path'); | |
var http = require('http'); | |
// リンク先は .mp3 ファイル | |
var options = { | |
method : 'GET', | |
host : 'm.friendfeed-media.com', | |
port : '80', | |
path : '/0c5e82d9e6a0d5e60a1a85609adbe0e7f02976a6' | |
}; | |
var req = http.request(options); | |
req.end(); | |
req.on('response', function (res) { | |
onResponseCallback(res, options); | |
}); | |
req.on('error', showError); | |
function onResponseCallback (res, opts) { | |
var ext = (res.headers['content-type'].split(/\//))[1]; | |
var target = [ (opts['path'].split(/\?/))[0].replace(/^\//,''), ext ].join('.'); | |
var writeStream = fs.createWriteStream(target); | |
writeStream.on('error', function (exception) { | |
throw exception; | |
}); | |
writeStream.on('close', function () { | |
console.log('! Called "close" on writeStream'); | |
}); | |
//res.setEncoding('utf-8'); バイナリを扱うので指定しないと、 Buffer に | |
res.on('data', function (chunk) { | |
writeStream.write(chunk); | |
}); | |
res.on('close', showError); | |
res.on('end', function () { | |
writeStream.end(); | |
console.log(target); | |
}); | |
} | |
function showError (e) { | |
console.log([ e.name, e.messsage ].join(': ')); | |
return undefined; | |
} | |
1; |
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