/
dir_entry.go
48 lines (43 loc) · 1.17 KB
/
dir_entry.go
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package osutil
import (
"os"
"path/filepath"
"sort"
"strings"
)
type DirEntries []os.DirEntry
func (entries DirEntries) Len() int { return len(entries) }
func (entries DirEntries) Less(i, j int) bool { return entries[i].Name() < entries[j].Name() }
func (entries DirEntries) Swap(i, j int) { entries[i], entries[j] = entries[j], entries[i] }
func (entries DirEntries) Sort() { sort.Sort(entries) }
// Names returns a slice of entry names. It can optionally
// add the directory path and sort the values.
func (entries DirEntries) Names(dir string, sortNames bool) []string {
if len(strings.TrimSpace(dir)) == 0 {
dir = ""
}
names := []string{}
for _, item := range entries {
if len(dir) == 0 {
names = append(names, item.Name())
} else {
names = append(names, filepath.Join(dir, item.Name()))
}
}
if sortNames {
sort.Strings(names)
}
return names
}
// Infos returns a `[]os.FileInfo` slice.
func (entries DirEntries) Infos() ([]os.FileInfo, error) {
var infos []os.FileInfo
for _, entry := range entries {
info, err := entry.Info()
if err != nil {
return infos, err
}
infos = append(infos, info)
}
return infos, nil
}