line count

lc.go

package main
import (
    "os"
    "fmt"
    "io/ioutil"
    "strings"
)

func main() {
    if (len(os.Args) > 1) {
        fileContent, _ := ioutil.ReadFile(os.Args[1])
        content := string(fileContent)
        lineCount := strings.Count(content,"\n")
        fmt.Println(lineCount)
    }
}