Directory Entries

os.ReadDir lists entries inside a directory.

directory_entries.go

package main

import (
	"fmt"
	"os"
	"strings"
)

func main() {
	var extraName = 
	dirName := "go09_entries"
	names := []string{"alpha.txt", extraName}

	err := os.MkdirAll(dirName, 0755)
	if err != nil {
		fmt.Println("createdDir=", false)
		return
	}
	defer os.RemoveAll(dirName)

	for _, name := range names {
		path := dirName + "/" + name
		os.WriteFile(path, []byte(name), 0644)
	}

	entries, err := os.ReadDir(dirName)
	if err != nil {
		fmt.Println("listed=", false)
		return
	}

	entryNames := make([]string, 0, len(entries))
	for _, entry := range entries {
		entryNames = append(entryNames, entry.Name())
	}
	joined := strings.Join(entryNames, "/")

	fmt.Println("dir=", dirName)
	fmt.Println("count=", len(entryNames))
	fmt.Println("entries=", joined)
}

package main

import (
	"fmt"
	"os"
	"strings"
)

func main() {
	var extraName = 
	dirName := "go09_entries"
	names := []string{"alpha.txt", extraName}

	err := os.MkdirAll(dirName, 0755)
	if err != nil {
		fmt.Println("createdDir=", false)
		return
	}
	defer os.RemoveAll(dirName)

	for _, name := range names {
		path := dirName + "/" + name
		os.WriteFile(path, []byte(name), 0644)
	}

	entries, err := os.ReadDir(dirName)
	if err != nil {
		fmt.Println("listed=", false)
		return
	}

	entryNames := make([]string, 0, len(entries))
	for _, entry := range entries {
		entryNames = append(entryNames, entry.Name())
	}
	joined := strings.Join(entryNames, "/")

	fmt.Println("dir=", dirName)
	fmt.Println("count=", len(entryNames))
	fmt.Println("entries=", joined)
}

package main

import (
	"fmt"
	"os"
	"strings"
)

func main() {
	var extraName = 
	dirName := "go09_entries"
	names := []string{"alpha.txt", extraName}

	err := os.MkdirAll(dirName, 0755)
	if err != nil {
		fmt.Println("createdDir=", false)
		return
	}
	defer os.RemoveAll(dirName)

	for _, name := range names {
		path := dirName + "/" + name
		os.WriteFile(path, []byte(name), 0644)
	}

	entries, err := os.ReadDir(dirName)
	if err != nil {
		fmt.Println("listed=", false)
		return
	}

	entryNames := make([]string, 0, len(entries))
	for _, entry := range entries {
		entryNames = append(entryNames, entry.Name())
	}
	joined := strings.Join(entryNames, "/")

	fmt.Println("dir=", dirName)
	fmt.Println("count=", len(entryNames))
	fmt.Println("entries=", joined)
}

directory entries Directory entries describe files or folders by name and type without reading file contents.