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Enhance a nodejs webcrawler

I have a simple nodejs crawler that runs on a browser and scraps a particular set of data from a website. the url being : localhost?url=

This what I need to have:

read a txt file full of urls and pass them as arguments to the program

concurrency (multiple websites in parallel) - this should be a parameter that i can modify inside the js file

output the failed urls to a txt file (it should be concatenated)

Kĩ năng: node.js

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Về Bên Thuê:
( 11 nhận xét ) Brno, Czech Republic

ID dự án: #13232682

17 freelancer đang chào giá trung bình $177 cho công việc này

$147 USD trong 3 ngày
(78 Nhận xét)
8.1
$200 USD trong 3 ngày
(61 Nhận xét)
5.9
$155 USD trong 3 ngày
(40 Nhận xét)
5.6
OrangeTechsol

Hello Sir, I have gone through your requirements and understood that you are looking for an experienced NodeJS developer. Can you please share your best time for the chat so we can discuss further and move ahead. Ki Thêm

$200 USD trong 7 ngày
(24 Nhận xét)
5.5
laxaar

Hi there, Thank you for inviting us to bid on your requirement. We are a team of technocrats having 8+ years of experience in Web and Mobile design plus development. Talking about our expertise, we possess very Thêm

$222 USD trong 3 ngày
(6 Nhận xét)
5.1
sapotacorp

Hello Tazilo!. Im a full stack developer, i can help you do this task fast. i have already charged a reasonable price. Please hire me!Thank you!

$275 USD trong 4 ngày
(6 Nhận xét)
5.2
shafayat1039

Hi, I am Shafayat, I am an M.E.A.N. stack developer. I believe I am one of the best candidates for this job. If you have a minute I would request you to send me a message so we can discuss specifications further :) Thêm

$222 USD trong 5 ngày
(8 Nhận xét)
4.8
c4e8

Lead Front-End Developer, with more than 10 years of experience in high performance web applications and 6y of experience in MEAN stack.

$155 USD trong 3 ngày
(8 Nhận xét)
4.0
jwaqas42

I have read your requirement i can do it very elegantly inbox for more discussion. Thanks............

$100 USD trong 5 ngày
(2 Nhận xét)
2.2
$250 USD trong 3 ngày
(1 Nhận xét)
1.0
ankitparashar

I have more than 2 years experience in working with nodejs and worked on such project before. I have had experience for working for Target Corporation as a software engineer where I built a front end performance monito Thêm

$155 USD trong 4 ngày
(0 Nhận xét)
0.0
$133 USD trong 2 ngày
(0 Nhận xét)
0.0
subhasishdash89

Hi, I can do this for you. I can start immediately and can finish it up in 3 days. I have vast amount of experience in nodejs and advanced Javascript. I can easily do this for you.

$100 USD trong 3 ngày
(0 Nhận xét)
0.0
pipirt

Hello, I have worked on a few scrapers in the past and am confident I can help you get what you need. Although, to know exactly where my skills align with the current scraper you have I'd need to see it or that data Thêm

$230 USD trong 3 ngày
(0 Nhận xét)
0.0
bbrinzoiu

Dear sir/madam, Working I have been working with nodeJS for the last weeks, and such a task will come easy for me. I am looking forward in working with you, Best regards!

$144 USD trong 3 ngày
(0 Nhận xét)
0.0
vinaykharecha

failure can be outputted to the text file provided that your crawler has some sort of indication that weather the crawl was successful or not. I can complete this in one days time and i know exactly what need to be don Thêm

$155 USD trong 1 ngày
(0 Nhận xét)
0.0
geekyd

Hello, I have been working on node js since past 6 months and have done projects like cron jobs, live tracking of vehicles for start ups. I'm also involved in some open source projects on github. I'm very particular Thêm

$166 USD trong 3 ngày
(0 Nhận xét)
0.0