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问题描述
我正在工作的项目(node.js)意味着文件系统的许多操作(复制/读/写等)。我想知道,哪种方法最快,我很乐意提供一些建议。
Project that I am working at (node.js) implies a lot of operations with file system (copying/reading/writing etc). I'd like to know, what methods are the fastest, and I'd be happy for some advice.
推荐答案
这是使用流在一行代码中复制文件的好方法:
This is a good way to copy a file in one line of code using streams:
var fs = require('fs');
fs.createReadStream('test.log').pipe(fs.createWriteStream('newLog.log'));
const fs = require('fs');
// destination.txt will be created or overwritten by default.
fs.copyFile('source.txt', 'destination.txt', (err) => {
if (err) throw err;
console.log('source.txt was copied to destination.txt');
});
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