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package recordsdir
import (
"io/fs"
"os"
"path"
"path/filepath"
"strings"
"time"
)
type Entry struct {
Path string
Host string
ModTime time.Time
}
func HostFromFileName(name string) string {
host := strings.TrimSuffix(name, filepath.Ext(name))
if idx := strings.Index(host, "."); idx > 0 {
host = host[:idx]
}
return host
}
func listRecordsFileNames(fsys fs.FS, root string) ([]Entry, error) {
entries, err := fs.ReadDir(fsys, root)
if err != nil {
return nil, err
}
var out []Entry
for _, e := range entries {
if e.IsDir() || !strings.HasSuffix(e.Name(), ".records") {
continue
}
rel := path.Join(root, e.Name())
info, err := fs.Stat(fsys, rel)
if err != nil || info.Size() == 0 {
continue
}
out = append(out, Entry{
Path: rel,
Host: HostFromFileName(e.Name()),
ModTime: info.ModTime(),
})
}
return out, nil
}
// ListNonEmptyFilesFS returns non-empty .records files under root within fsys.
func ListNonEmptyFilesFS(fsys fs.FS, root string) ([]Entry, error) {
return listRecordsFileNames(fsys, root)
}
func ListNonEmptyFiles(dir string) ([]Entry, error) {
entries, err := listRecordsFileNames(os.DirFS(dir), ".")
if err != nil {
return nil, err
}
for i := range entries {
entries[i].Path = filepath.Join(dir, filepath.Base(entries[i].Path))
}
return entries, nil
}
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