2024-04-06 17:24:26 +08:00

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---
icon: package-dependencies
label: io
---
!!!
This module is optional. Set `PK_ENABLE_OS` to `1` to enable it.
!!!
### `io.FileIO.read(size=-1) -> bytes | str`
Read up to `size` bytes from the file. If `size` is negative or omitted, read until EOF.
### `io.FileIO.write(data: bytes | str)`
Write the given data to the file.
### `io.FileIO.seek(offset, whence=0) -> int`
Change the file position to the given offset. The `whence` argument is optional and defaults to `0` (absolute file positioning); other values are `1` (seek relative to the current position) and `2` (seek relative to the file's end).
### `io.FileIO.tell() -> int`
Return the current file position.
### `io.FileIO.close()`
Close the file.
### `io.SEEK_SET`
Seek from the beginning of the file.
### `io.SEEK_CUR`
Seek from the current position.
### `io.SEEK_END`
Seek from the end of the file.