fs.md

std.fs

File system operations - file and directory manipulation.

All functions are backed by the Rust runtime.

Functions

read(path: String) -> String

Reads the entire content of a file. Returns an empty string on error.

write(path: String, content: String) -> Bool

Writes content to path. Returns true on success.

append(path: String, content: String) -> Bool

Appends content to the file at path. Returns true on success.

exists(path: String) -> Bool

Returns true if the file or directory at path exists.

size(path: String) -> Int

Returns the size of the file in bytes. Returns -1 on error.

delete(path: String) -> Bool

Deletes the file at path. Returns true on success.

rename(old: String, new: String) -> Bool

Renames/moves a file from old to new. Returns true on success.

create_dir(path: String) -> Bool

Creates a directory at path (all parent directories are created). Returns true on success.

remove_dir(path: String) -> Bool

Removes an empty directory at path. Returns true on success.

list_dir(path: String) -> String

Lists the contents of a directory. Returns newline-separated entries.

current_dir() -> String

Returns the current working directory path.

Examples

load std.fs

let content = fs.read("data.txt")
let ok = fs.write("out.txt", "data")
let exists = fs.exists("data.txt")
let entries = fs.list_dir(".")
let cwd = fs.current_dir()