List Directory

---

examples/list-directory/listdir.go

package main

import (
    "fmt"
    "io/ioutil"
    "log"
    "os"
)

func main() {
    if len(os.Args) < 2 {
        fmt.Printf("Usage: %s DIRNAME")
        os.Exit(1)
    }

    fmt.Println(os.Args[1])
    files, err := ioutil.ReadDir(".") //os.Args[1])
    if err != nil {
        fmt.Println("Error reading the directory list")
        log.Fatal(err)
    } else {
        for _, f := range files {
            fmt.Println(f.Name())
        }
    }
}