GZWriter

Mojo struct 🡭

GZWriter

@memory_only
struct GZWriter

Writer for gzip-compressed files.

Fields

• handle (Optional[Pointer[UInt8, ImmUntrackedOrigin]])
• lib (ZLib)
• filename (String)
• mode (String)

Implemented traits

AnyType, Deinitable, Movable, WriterBackend

Methods

__init__

fn def __init__(out self, filename: String, mode: String = "wb")

Initialize GZWriter with a file path.

Args:

• filename (String): Path to the output .gz file.
• mode (String): File mode (default “wb” for write binary).
• self (Self)

Returns:

Self

Raises:

Error: If the file cannot be opened for writing.

fn def __init__(out self, *, deinit move: Self)

Move constructor.

Args:

• move (Self)
• self (Self)

Returns:

Self

__deinit__

fn def __deinit__(deinit self)

Close the file when the object is destroyed.

Args:

• self (Self)

write_from_buffer

fn def write_from_buffer(mut self, mut buf: Span[UInt8, MutUntrackedOrigin], amt: Int, pos: Int = Int(0)) -> UInt64

Write bytes from buffer to compressed file.

Args:

• self (Self)
• buf (Span[UInt8, MutUntrackedOrigin])
• amt (Int)
• pos (Int)

Returns:

UInt64

Raises: