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webscraper using Go
Sid
on Oct 17, 2020
# Web Scraper in Golang
# source: golangcode.com/basic-web-scraper
package main
import (
"fmt"
"log"
"net/http"
"github.com/PuerkitoBio/goquery"
)
func main() {
blogTitles, err := GetLatestBlogTitles("https://golangcode.com")
if err != nil {
log.Println(err)
}
fmt.Println("Blog Titles:")
fmt.Printf(blogTitles)
}
// GetLatestBlogTitles gets the latest blog title headings from the url
// given and returns them as a list.
func GetLatestBlogTitles(url string) (string, error) {
// Get the HTML
resp, err := http.Get(url)
if err != nil {
return "", err
}
// Convert HTML into goquery document
doc, err := goquery.NewDocumentFromReader(resp.Body)
if err != nil {
return "", err
}
// Save each .post-title as a list
titles := ""
doc.Find(".post-title").Each(func(i int, s *goquery.Selection) {
titles += "- " + s.Text() + "\n"
})
return titles, nil
}
Source: golangcode.com
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