1 Video for Golang Snippet #10

Name: Golang Snippet #10
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Code Review: Golang Snippet #10

This video provides an example of Code Review of some Golang code

04:38

854

Source code

 package main
 
import (
    "fmt"
    "path"
    "log"
    "net/http"
    "io"
    "os"
)
 
func handler(w http.ResponseWriter, r *http.Request) {
    filename := path.Clean(r.URL.Query()["filename"][0])
    fd, err := os.Open(filename)
    defer fd.Close()
    if err != nil {
      http.Error(w, "File not found.", 404)
      return
    }
    io.Copy(w, fd)
}
 
func main() {
    http.HandleFunc("/", handler)
    log.Fatal(http.ListenAndServe(":8080", nil))
}

	package main

	import (
	"fmt"
	"path"
	"log"
	"net/http"
	"io"
	"os"
	)

	func handler(w http.ResponseWriter, r *http.Request) {
	filename := path.Clean(r.URL.Query()["filename"][0])
	fd, err := os.Open(filename)
	defer fd.Close()
	if err != nil {
	http.Error(w, "File not found.", 404)
	return
	}
	io.Copy(w, fd)
	}

	func main() {
	http.HandleFunc("/", handler)
	log.Fatal(http.ListenAndServe(":8080", nil))
	}