---
title: "withExtractStream(extractingTo:selectUsing:flags:threadCount:_:)"
framework: applearchive
role: symbol
role_heading: Type Method
path: "applearchive/archivestream/withextractstream(extractingto:selectusing:flags:threadcount:_:)"
---

# withExtractStream(extractingTo:selectUsing:flags:threadCount:_:)

Calls the given closure with an extract output archive stream.

## Declaration

```swift
static func withExtractStream<E>(extractingTo directory: FilePath, selectUsing filter: ArchiveHeader.EntryFilter? = nil, flags: ArchiveFlags = [], threadCount: Int = 0, _ body: (ArchiveStream) throws -> E) throws -> E
```

## Parameters

- `directory`: The directory that the archive stream writes the extracted entries to.
- `filter`: A closure that’s called for each entry that’s received by the stream.
- `flags`: Flags that control the behavior of the operation.
- `threadCount`: The number of worker threads that the operation uses, set to 0 for default.
- `body`: A closure with the archive stream passed as a parameter.

## Return Value

Return Value The result of the closure.

## Discussion

Discussion This function opens a stream created by extractStream(extractingTo:selectUsing:flags:threadCount:), calls the specified closure, and closes the stream.

## See Also

### Extracting Data

- [extractStream(extractingTo:selectUsing:flags:threadCount:)](applearchive/archivestream/extractstream(extractingto:selectusing:flags:threadcount:).md)