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check-dir

检查指定目录是否为空,对外暴露两个方法:

checkDir(异步)

exports.checkDir = function (path, callback) {

    fs.readdir(path, function (err, files) {

        if (err === null) {
            callback(null, files)
        } else {
            callback(err);
        }
    });
};

checkDirSync(同步)

exports.checkDirSync = function (path) {

    var files = fs.readdirSync(path);

    if (files.length > 0) {

        return true;

    } else {

        return false;

    }
};

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检查指定目录里的文件

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