TwiterStorm Dracula Book

tw_dracula.go

package main

import (
	"bufio"
	"fmt"
	"log"
	"os"
	"time"
)

const TailString string = "..."
const MaxTwitterLen int = 145 - len(TailString)

var iBuffer []string

func main() {
	start := time.Now()
	file, _ := os.Open("dracula.txt")
	defer file.Close()

	scanner := bufio.NewScanner(file)

	content := ""
	restContent := ""
	counter := 1

	for scanner.Scan() {
		// first line

		if content == "" {
			content += fmt.Sprint(counter) + ": " + restContent + scanner.Text()
		} else {
			content += restContent + scanner.Text()
		}

		if len(content) >= MaxTwitterLen {
			iBuffer = append(iBuffer, content[0:MaxTwitterLen]+TailString)
			restContent = content[MaxTwitterLen:]
			content = ""
			counter += 1
		} else {
			restContent = ""
		}
	}
  
  elapsed := time.Since(start)
  
	fmt.Println(iBuffer[0])
	fmt.Println(iBuffer[1])
	fmt.Println(iBuffer[2])

	fmt.Println(len(iBuffer))
	fmt.Println(elapsed)

	if err := scanner.Err(); err != nil {
		log.Fatal(err)
	}
}