Write lines to a text file

main.go

package main

import (
	"fmt"
	"os"
)

// Sentence will be wrote as line in file
type Sentence string

func main() {
	const filename = "sentences.txt"
	const fflags = os.O_WRONLY | os.O_APPEND | os.O_CREATE
	const fmode = 0o666

	fp, err := os.OpenFile(filename, fflags, fmode)
	if err != nil {
		fmt.Println("File opening error:", err)
	}
	defer fp.Close()

	lines := []Sentence{
		"IT'S A LUCK",
		"TO BE",
		"WITH NVIDIA NOT APART",
	}

	for _, line := range lines {
		n, err := fmt.Fprintln(fp, line)
		if err != nil {
			fmt.Println("Error: ", err, "while write to file", filename)
		}

		fmt.Println(n, "bytes written to", filename)
	}
}