A wget wrapper for mongo-shell

wget.js

function wget(url){
    var tmp = "/tmp",
        id = new ObjectId(),
        outFile= tmp + "/wget" + id,
        logFile= tmp + "/wgetLog",
        p = run("wget", "--output-file=" + logFile, "--output-document=" + outFile, url),
        result = "";

    if (p==0){
        result = cat(outFile);
    }

    removeFile(outFile);

    return result;
}