})
		return err
	}

	processedFiles := map[string]bool{}
	for _, filename := range filenames {
		var isDir bool
		if filename != "-" {
			fi, err := os.Stat(filename)
			if err != nil {
				errs = multierror.Append(errs, fmt.Errorf("cannot stat file %q: %v", filename, err))
				continue
			}
			isDir = fi.IsDir()
		}

		if !isDir {
			processFile(filename)
			processedFiles[filename] = true

}

// checkBinDir verifies the presence/absence of test files.
func checkBinDir(t *testing.T, tempCNIBinDir, op string, files ...string) error {
	t.Helper()
	for _, f := range files {
		if _, err := os.Stat(tempCNIBinDir + "/" + f); !os.IsNotExist(err) {
			if op == "add" {
				t.Logf("PASS: File %v was added to %v", f, tempCNIBinDir)
				return nil
			} else if op == "del" {

          "intervalFactor": 1,
          "refId": "A",
          "step": 4
        }
      ],
      "title": "Global Request Volume",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${datasource}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {

				fmt.Fprint(cmd.OutOrStdout(), "Reading from stdin:\n")
			}
			r = os.Stdin
			readers = append(readers, local.ReaderSource{Name: f, Reader: r})
			continue
		}

		fi, err := os.Stat(f)
		if err != nil {
			return nil, err
		}

		if fi.IsDir() {
			dirReaders, err := gatherFilesInDirectory(cmd, f)
			if err != nil {
				return nil, err
			}

	if !isProcess(entry) {
		return nil, nil
	}

	netnsName := path.Join(entry.Name(), "ns", "net")
	fi, err := fs.Stat(proc, netnsName)
	if err != nil {
		return nil, err
	}

	inode, err := GetInode(fi)
	if err != nil {
		return nil, err
	}
	if _, ok := netnsObserved[inode]; ok {

		switch header.Typeflag {
		case tar.TypeDir:
			if _, err := os.Stat(dest); err != nil {
				if err := os.Mkdir(dest, 0o755); err != nil {
					return fmt.Errorf("mkdir: %v", err)
				}
			}
		case tar.TypeReg:
			// Create containing folder if not present
			dir := path.Dir(dest)
			if _, err := os.Stat(dir); err != nil {
				if err := os.MkdirAll(dir, 0o755); err != nil {
					return err
				}