use the rake algorithm (rapid applicable keywords) on a txt file

rake.go

package main
import (
	// "io"
	// "bufio"
	// "strings"
	// "strconv"
	// "github.com/alixaxel/pagerank"
	// "github.com/boltdb/bolt"
	"fmt"
	"io/ioutil"
	"os"
	"github.com/Obaied/RAKE.Go"
	"flag"
)
func main() {
	file := flag.String("file", "", "file with or without path variable.")
	flag.Parse()
	osFile, err := os.Open(*file)
	if err != nil { panic(err) }
	defer osFile.Close()
	bytes, err := ioutil.ReadFile(osFile.Name())
	if err != nil { panic(err) }
	cands := rake.RunRake(string(bytes))
	for _, cand := range cands {
		fmt.Println(cand.Value, "-", cand.Key)
	}
}