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main.go
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main.go
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package main
import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"strings"
)
const url = "http://universities.hipolabs.com/search?country=United+States"
func main() {
content := "This is a file created by this Go Program"
file, err := os.Create("./fromString.txt")
checkError(err)
length, err := io.WriteString(file, content)
checkError(err)
fmt.Printf("Wrote a file with %v characters\n", length)
defer file.Close()
defer readFile("./fromString.txt")
resp, err := http.Get(url)
checkError(err)
fmt.Printf("Response Type: %T\n", resp)
defer resp.Body.Close()
bytes, err := ioutil.ReadAll(resp.Body)
checkError(err)
webcontent := string(bytes)
fmt.Print(webcontent)
fmt.Println("\n")
univs := uniFromJson(webcontent)
for _, uni := range univs {
fmt.Println(uni.Country, " : ", uni.Name)
}
}
func readFile(fileName string) {
data, err := ioutil.ReadFile(fileName)
checkError(err)
fmt.Println("Text read from file >> ", string(data))
}
func uniFromJson(webcontent string) []Uni {
univs := make([]Uni, 0, 20)
decoder := json.NewDecoder(strings.NewReader(webcontent))
token, err := decoder.Token()
checkError(err)
fmt.Print("Token >> \n", token)
fmt.Print(err)
var uni Uni
for decoder.More() {
err := decoder.Decode(&uni)
checkError(err)
univs = append(univs, uni)
}
return univs
}
type Uni struct {
Country, Name string
}
func checkError(err error) {
if err != nil {
panic(err)
}
}