wordpress-themes.go

package main

import (
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"os"
	"regexp"
	"strings"
)

func main() {
	url := "https://themes.svn.wordpress.org"
	response, err := http.Get(url)
	if err != nil {
		log.Fatal(err)
	}
	defer response.Body.Close()

	body, err := ioutil.ReadAll(response.Body)
	if err != nil {
		log.Fatal(err)
	}

	// Use regular expression to match only alpha-numeric directories with _ or -
	re := regexp.MustCompile(`(?m)[A-Za-z0-9_-]+/`)
	matches := re.FindAllString(string(body), -1)

	// Remove / from the end of each directory name
	for i := range matches {
		matches[i] = strings.TrimSuffix(matches[i], "/")
	}

	// Filter out directories that are not within the desired length
	var filteredMatches []string
	for _, theme := range matches {
		if len(theme) >= 3 && len(theme) <= 32 {
			filteredMatches = append(filteredMatches, theme)
		}
	}

	// Remove duplicates
	filteredMatches = removeDuplicates(filteredMatches)

	// Open the file in append mode
	file, err := os.OpenFile("wordpress-themes.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
	if err != nil {
		log.Fatal(err)
	}
	defer file.Close()

	for _, theme := range filteredMatches {
		fmt.Println(theme)
		_, err := file.WriteString(""+theme+"")
		if err != nil {
			log.Fatal(err)
		}
	}
}

// Function to remove duplicates from a slice of strings
func removeDuplicates(elements []string) []string {
	// Use map to record duplicates as we find them.
	encountered := map[string]bool{}
	result := []string{}

	for v := range elements {
		if encountered[elements[v]] != true {
			// Record this element as an encountered element.
			encountered[elements[v]] = true
			// Append to result slice.
			result = append(result, elements[v])
		}
	}
	// Return the new slice.
	return result
}