Module async_std::fs

Filesystem manipulation operations.

This module is an async version of std::fs.

Platform-specific extensions

• Unix: use the os::unix::fs module.
• Windows: use the os::windows::fs module.

Examples

Create a new file and write some bytes to it:

use async_std::fs::File;
use async_std::prelude::*;

let mut file = File::create("a.txt").await?;
file.write_all(b"Hello, world!").await?;

Structs

• DirBuilder
  A builder for creating directories with configurable options.
• DirEntry
  An entry in a directory.
• File
  An open file on the filesystem.
• FileType
  A structure representing a type of file with accessors for each file type. It is returned by Metadata::file_type method.
• Metadata
  Metadata information about a file.
• OpenOptions
  A builder for opening files with configurable options.
• Permissions
  Representation of the various permissions on a file.
• ReadDir
  A stream of entries in a directory.

Functions

• canonicalize
  Returns the canonical form of a path.
• copy
  Copies the contents and permissions of a file to a new location.
• create_dir
  Creates a new directory.
• create_dir_all
  Creates a new directory and all of its parents if they are missing.
• hard_link
  Creates a hard link on the filesystem.
• metadata
  Reads metadata for a path.
• read
  Reads the entire contents of a file as raw bytes.
• read_dir
  Returns a stream of entries in a directory.
• read_link
  Reads a symbolic link and returns the path it points to.
• read_to_string
  Reads the entire contents of a file as a string.
• remove_dir
  Removes an empty directory.
• remove_dir_all
  Removes a directory and all of its contents.
• remove_file
  Removes a file.
• rename
  Renames a file or directory to a new location.
• set_permissions
  Changes the permissions of a file or directory.
• symlink_metadata
  Reads metadata for a path without following symbolic links.
• write
  Writes a slice of bytes as the new contents of a file.