Write String to File in Golang

Application

Create new folder named src. In src folder, create new folder named data. In src folder, create new file named main.go as below:

package main

import (
	"fmt"
	"os"
)

func main() {

	file, err := os.Create("data/b.txt")
	if err != nil {
		fmt.Println(err)
	} else {
		file.WriteString("Hello World")
		fmt.Println("Done")
	}
	file.Close()

}

Output

Open Terminal windows in Visual Studio Code and run command line: go run main.go

Done