dagger/docs/reference/universe/io.md

---
sidebar_label: io
---

# dagger.io/io

IO operations

## #Dir

Standard interface for directory operations in cue

### #Dir Inputs

_No input._

### #Dir Outputs

_No output._

## #File

Standard interface for file operations in cue

### #File Inputs

_No input._

### #File Outputs

_No output._

## #ReadWriter

Standard ReadWriter interface

### #ReadWriter Inputs

_No input._

### #ReadWriter Outputs

_No output._

## #Reader

Standard Reader interface

### #Reader Inputs

_No input._

### #Reader Outputs

_No output._

## #Writer

Standard Writer interface

### #Writer Inputs

_No input._

### #Writer Outputs

_No output._