Go FS

go-fs.go

package main

import (
	"flag"
	"fmt"
	"io/fs"
	"log"
	"os"
	"path/filepath"
)

func main() {
	flag.Parse()

	args := flag.Args()

	dirs := make(map[string]string)
	fls := make(map[string]string)
	for _, root := range args {
		fs.WalkDir(os.DirFS(root), ".", func(path string, d fs.DirEntry, err error) error {
			if path == "." {
				return nil
			}
			if err != nil {
				log.Fatal(err)
			}
			p := filepath.Join(root, path)
			if d.IsDir() {
				if _, ok := dirs[path]; !ok {
					dirs[path] = p
				}
			} else {
				if _, ok := fls[path]; !ok {
					fls[path] = p
				}
			}

			return nil
		})
	}
	for k, v := range dirs {
		fmt.Printf("%s - %s\n", k, v)
	}
	fmt.Println("---")
	for k, v := range fls {
		fmt.Printf("%s - %s\n", k, v)
	}
}