Download the images from the link programatically

main.go

package main

import (
	"bufio"
	"encoding/csv"
	"fmt"
	"io"
	"net/http"
	"os"
	"strings"
)

func downloadFromUrl(url string) {
	tokens := strings.Split(url, "/")
	fileName := tokens[len(tokens)-1]
	fmt.Println("Downloading", url, "to", fileName)

	// TODO: check file existence first with io.IsExist
	output, err := os.Create(fileName)
	if err != nil {
		fmt.Println("Error while creating", fileName, "-", err)
		return
	}
	defer output.Close()

	response, err := http.Get(url)
	if err != nil {
		fmt.Println("Error while downloading", url, "-", err)
		return
	}
	defer response.Body.Close()

	n, err := io.Copy(output, response.Body)
	if err != nil {
		fmt.Println("Error while downloading", url, "-", err)
		return
	}

	fmt.Println(n, "bytes downloaded.")
}
func ReadCsvFile(filePath string) {
	// Load a csv file.
	f, _ := os.Open(filePath)

	// Create a new reader.
	r := csv.NewReader(bufio.NewReader(f))
	for {
		record, err := r.Read()
		// Stop at EOF.
		if err == io.EOF {
			break
		}
		// Display record.
		// ... Display record length.
		// ... Display all individual elements of the slice.
		// fmt.Println(record)
		for value := range record {
			fmt.Printf("  %v\n", record[value])
			downloadFromUrl(record[value])
		}
	}
}

func main() {
	ReadCsvFile("Images.csv")
	// countries := []string{"GB", "FR", "ES", "DE", "CN", "CA", "ID", "US"}
	// for i := 0; i < len(countries); i++ {
	// 	url := "http://download.geonames.org/export/dump/" + countries[i] + ".zip"
	// downloadFromUrl("https://itslondon.s3.amazonaws.com/p/xl/ARMSDSBSETOO1FL.jpg")
	// }
}