walk directory and read file content to array of strings

DirWalk.go

package main

import (
    "fmt"
    "path/filepath"
    "os"
    "io/ioutil"
    "strings"
)

func walkFn(path string, info os.FileInfo, err error) error {
    filename := info.Name()
    if strings.Contains(filename, "csv") {
        basename := filepath.Base(filename)
        println(strings.TrimSuffix(basename, filepath.Ext(basename)))
        content, err := ioutil.ReadFile(filename)
        if err != nil {
            return err
        }
        lines := strings.Split(string(content), "\r\n")
        fmt.Printf("%v\n\n",lines[7])
    }
    return nil
}

func main(){
    fmt.Println("start run")
    err := filepath.Walk(".", walkFn)
    if err != nil {
        println(err)
    }
}