Go语言清除文件中的空行

读取源文件，去掉空行，并写到目标文件

/**
 * Created with IntelliJ IDEA.
 * User: hyper-carrot
 * Date: 12-8-31
 * Time: 下午4:04
 * To change this template use File | Settings | File Templates.
 */
package main
import (
	"os"
	"bufio"
	"fmt"
)
func DeleteBlankFile(srcFilePah string, destFilePath string) error {
	srcFile, err := os.OpenFile(srcFilePah, os.O_RDONLY, 0666)
	defer srcFile.Close()
	if err != nil {
		return err
	}
	srcReader := bufio.NewReader(srcFile)
	destFile, err := os.OpenFile(destFilePath, os.O_WRONLY|os.O_CREATE, 0666)
	defer destFile.Close()
	if err != nil {
		return err
	}
	var destContent string
	for {
		str, _ := srcReader.ReadString('\n')
		if err != nil {
			if err == io.EOF {
				fmt.Print("The file end is touched.")
				break
			} else {
				return err
			}
		}
		if 0 == len(str) || str == "\r\n" {
			continue
		}
		fmt.Print(str)
		destFile.WriteString(str)
	}
	return nil
}
func main() {
	DeleteBlankFile("e:\\src.txt", "e:\\dest.txt")
}