Golang Web Scraper Example



  1. Golang Web Development
  2. Golang Web Scraper Examples
  3. Golang Http Server
Golang code examples

GoLang Web Scraping using goquery. Create a new.go document in your preferred IDE or text editor. Mine’s titled “goqueryprogram.go”, and you may choose to do the same. This example will only being using one external dependency. While it is possible to parse HTML using Go’s standard library, this involves writing a lot of code. So instead we are going to be using the very popular Golang library, Goquery which supports JQuery style selection of HTML elements. Golang Example Web Scraping A collection of 4 posts. Ferret is a web scraping system aiming to simplify data extraction from the web for such things like UI testing, machine learning and analytics. 07 January 2019. Command Line 99. Web scraping (Wikipedia entry) is a handy tool to have in your arsenal. It can be useful in a variety of situations, like when a website does not provide an API, or you need to parse and extract web content programmatically. This tutorial walks through using the standard library to perform a variety of tasks like making requests, changing headers, setting cookies, using regular expressions.

Web scrapping is a technic to parse HTML output of website. Most of the online bots are based on same technic to get required information about particular website or page.

Using XML parser we can parse HTML page and get the required information. However, jquery selector are best to parse HTML page. So, in this tutorial we will be using Jquery library in Golang to parse the HTML doc.

The community run subreddit for the latest game by Mojang Studios, Minecraft Dungeons. Minecraft dungeons reddit.

Project Setup and dependencies

As mention above, we will be using Jquery library as a parser. So go get the library using following command

Create a file webscraper.go and open it in any of your favorite text editor.

Web Scraper code to get post from website

Golang
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// import standard libraries
'github.com/PuerkitoBio/goquery'
doc,err:=goquery.NewDocument('http://code2succeed.com')
log.Fatal(err)
// use CSS selector found with the browser inspector
doc.Find('#main article .entry-title').Each(func(index int,item *goquery.Selection){
linkTag:=item.Find('a')
fmt.Printf('Post #%d: %s - %sn',index,title,link)
}
funcmain(){
}

Output

Golang Web Scraper Example