---
title: standardInput
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/nsuserunixtask/standardinput
---

# standardInput

The standard input stream.

## Declaration

```swift
var standardInput: FileHandle? { get set }
```

## Discussion

Discussion Setting to nil will bind the stream to /dev/null. The default is nil.

## See Also

### Standard Unix Streams

- [standardError](foundation/nsuserunixtask/standarderror.md)
- [standardOutput](foundation/nsuserunixtask/standardoutput.md)