scanner-example.go

package main

import (
	"bufio"
	"fmt"
	"os"
)

func main() {
	file, err := os.Open("filetoread.txt")
	if err != nil {
		fmt.Println(err)
		return
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)
	scanner.Split(bufio.ScanLines)

	// Returns a boolean based on whether there's a next instance of `\n`
	// character in the IO stream. This step also advances the internal pointer
	// to the next position (after '\n') if it did find that token.
	read := scanner.Scan()

	if read {
		fmt.Println("read byte array: ", scanner.Bytes())
		fmt.Println("read string: ", scanner.Text())
	}

	// goto line number 30 and repeat
}