---
title: "init(contentsOfFile:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/nsmutablecharacterset/init(contentsoffile:)"
---

# init(contentsOfFile:)

Returns a character set read from the bitmap representation stored in the file a given path.

## Declaration

```swift
init?(contentsOfFile fName: String)
```

## See Also

### Creating Custom Character Sets

- [init(charactersIn:)](foundation/nsmutablecharacterset/init(charactersin:).md)
- [init(range:)](foundation/nsmutablecharacterset/init(range:).md)
- [init(bitmapRepresentation:)](foundation/nsmutablecharacterset/init(bitmaprepresentation:).md)