}
							err = os.WriteFile(fn+".json", []byte(filemap[file][name+".json"]), os.ModePerm)
							combineFiles[name] = append(combineFiles[name], fn)
							if err != nil {
								fmt.Println("WriteFile:", err)
							}
							err = os.WriteFile(filepath.Dir(fn)+"/filename.txt", []byte(file), os.ModePerm)
							if err != nil {
								fmt.Println("combine WriteFile:", err)
							}
						}
					}

	b, err := json.Marshal(m)
	if err != nil {
		t.Fatal(err)
	}

	if err = os.MkdirAll(pathJoin(rootPath, minioMetaBucket), os.FileMode(0o755)); err != nil {
		t.Fatal(err)
	}

	if err = os.WriteFile(pathJoin(rootPath, minioMetaBucket, formatConfigFile), b, os.FileMode(0o644)); err != nil {
		t.Fatal(err)
	}

	formatData, _, err := formatErasureMigrate(rootPath)
	if err != nil {
		t.Fatal(err)
	}

func readFile(path string) (string, error) {
	b, err := os.ReadFile(path)
	return string(b), err
}

// writeFile writes a file and returns an error if operation is unsuccessful.
func writeFile(path string, data []byte) error {
	return os.WriteFile(path, data, 0o644)
}

// inFileAbsolutePath returns the absolute path for an input file like "gateways".

	clusterEnv := map[string]string{}
	for _, metaMap := range []map[string]string{config.ProxyMetadata, overrides} {
		for k, v := range metaMap {
			clusterEnv[k] = v
		}
	}

	return os.WriteFile(filepath.Join(dir, "cluster.env"), []byte(mapToString(clusterEnv)), filePerms)
}

// Get and store the needed certificate and token. The certificate comes from the CA root cert, and

	for _, f := range files {
		err := os.MkdirAll(filepath.Dir(filepath.Join(base, bucket, f.name)), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
		err = os.WriteFile(filepath.Join(base, bucket, f.name), make([]byte, f.size), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
	}
}

// generateUsageTestFiles create nFolders * nFiles files of size bytes each.

	if err != nil {
		t.Fatal(err)
	}

	rs, err := readFile(filepath.Join(testDataDir, "input-extra-resources", testResourceFile+".yaml"))
	if err != nil {
		t.Fatal(err)
	}

	err = writeFile(filepath.Join(tmpDir, operatorSubdirFilePath+"/"+testIstioDiscoveryChartPath+"/"+testResourceFile+".yaml"), []byte(rs))
	if err != nil {
		t.Fatal(err)
	}

	for _, tc := range testCases {

	uuid, _ := uuid2.NewRandom()
	for _, drive := range fsDirs {
		dir := path.Join(drive, bucket, object, uuid.String())
		err = os.MkdirAll(dir, os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
		err = os.WriteFile(pathJoin(dir, "part.1"), []byte("some data"), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
	}

	// This should remove all the unreferenced parts.

	if err != nil {
		return nil, nil, fmt.Errorf("Drive %s: %w", export, err)
	}

	migrate := func(formatPath string, formatData []byte) ([]byte, fs.FileInfo, error) {
		if err = os.WriteFile(formatPath, formatData, 0o666); err != nil {
			return nil, nil, err
		}
		formatFi, err := Lstat(formatPath)
		if err != nil {
			return nil, nil, err
		}
		return formatData, formatFi, nil
	}

	}
	// write "st"
	err = en.Append(0xa2, 0x73, 0x74)
	if err != nil {
		return
	}
	err = en.WriteTime(z.StartTime)
	if err != nil {
		err = msgp.WrapError(err, "StartTime")
		return
	}
	// write "lu"
	err = en.Append(0xa2, 0x6c, 0x75)
	if err != nil {
		return
	}
	err = en.WriteTime(z.LastUpdate)
	if err != nil {
		err = msgp.WrapError(err, "LastUpdate")
		return
	}
	// write "ra"

	if err != nil {
		return
	}
	err = en.WriteTime(z.StartTime)
	if err != nil {
		err = msgp.WrapError(err, "StartTime")
		return
	}
	// write "stopTs"
	err = en.Append(0xa6, 0x73, 0x74, 0x6f, 0x70, 0x54, 0x73)
	if err != nil {
		return
	}
	err = en.WriteTime(z.EndTime)
	if err != nil {
		err = msgp.WrapError(err, "EndTime")
		return
	}