A common task in modern computing is downloading a file over the HTTP protocol. The following example shows how to quickly download a specific URL to a file.
Other common tools that accomplish this task are curl and wget:
package main import ( "io" "log" "net/http" "os" ) func main() { // Create output file newFile, err := os.Create("devdungeon.html") if err != nil { log.Fatal(err) } defer newFile.Close() // HTTP GET request devdungeon.com url := "http://www.devdungeon.com/archive" response, err := http.Get(url) defer response.Body.Close() // Write bytes from HTTP response to file. // response.Body satisfies the reader interface. // newFile satisfies the writer interface. // That allows us to use io.Copy which ...
