var fs = require("fs");
var path = "./node_modules";
var outPutFileName = "output.txt";

fs.writeFile(outPutFileName, "", function(err) {
    if(err) {
        throw err;
    }
})

function getFiles (dir, files_){

    files_ = files_ || [];

    var files = fs.readdirSync(dir);

    for (let i in files) {

        var name = dir + '/' + files[i];

        if (fs.statSync(name).isDirectory()){
            getFiles(name, files_);
        } else {
            files_.push(name);
        }
    }

    return files_;
}

var files = getFiles(path);

for(let i = 0; i<files.length; ++i) {

    if (files[i].indexOf("package.json") > 0 ) {

        var currentFile = fs.readFileSync(files[i], "UTF-8");

        try {
            var json = JSON.parse(currentFile);

            console.log(json._requested.raw);

            fs.appendFile(outPutFileName, json._requested.raw + `\n`);

        } catch (error) {
        }

    }
    
}