create random strings based on file input

randomizer.go

package main

import (
	"bufio"
	"flag"
	"fmt"
	"math/rand"
	"os"
	"strconv"
	"time"
)

func main() {
	var a []string
	inputFile := flag.String("i", "input.txt", "input file")
	count := flag.String("c", "12", "count")

	flag.Parse()

	c, err := strconv.Atoi(*count)
	if err != nil {
		fmt.Printf("Error: %s\n", err)
		os.Exit(1)
	}

	file, err := os.Open(*inputFile)
	if err != nil {
		fmt.Printf("Error: %s\n", err)
		os.Exit(1)
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		a = append(a, scanner.Text())
	}

	rand.Seed(time.Now().UnixNano())
	for {
		for j := 0; j <= c-1; j++ {
			r := rand.Intn(len(a))
			fmt.Printf("%s ", a[r])
		}
		fmt.Println("")
	}
}