Expand description
fsio
File System and Path utility functions.
Usage
There are multiple main modules for fsio:
- fsio::path - Holds path related functions and traits. They do not directly modify the file system.
- fsio::file - File utility functions such as read_file, write_file, …
- fsio::directory - Directory specific utility functions.
Examples
use fsio::{directory, file, path};
use std::fs::File;
use std::io::Write;
use std::path::Path;
use std::str;
fn main() {
// file operations
let mut result = file::ensure_exists("./target/__test/doc/example/file_test/dir1/dir2/file.txt");
assert!(result.is_ok());
// create/append and read text files
let mut file_path = "./target/__test/example/doc/file_test/append_text_file/file.txt";
result = file::write_text_file(file_path, "some content");
assert!(result.is_ok());
result = file::append_text_file(file_path, "\nmore content");
assert!(result.is_ok());
let mut text = file::read_text_file(file_path).unwrap();
assert_eq!(text, "some content\nmore content");
// create/append and read binary files
file_path = "./target/__test/example/doc/file_test/append_and_read_file_test/file.txt";
result = file::write_file(file_path, "some content".as_bytes());
assert!(result.is_ok());
result = file::append_file(file_path, "\nmore content".as_bytes());
assert!(result.is_ok());
let data = file::read_file(file_path).unwrap();
assert_eq!(str::from_utf8(&data).unwrap(), "some content\nmore content");
// custom writing
file_path = "./target/__test/example/doc/file_test/modify_file/file.txt";
result = file::modify_file(
file_path,
&move |file: &mut File| file.write_all("some content".as_bytes()),
false,
);
assert!(result.is_ok());
text = file::read_text_file(file_path).unwrap();
assert_eq!(text, "some content");
// delete file
result = file::delete(file_path);
assert!(result.is_ok());
// directory operations
result = directory::create("./target/__test/example/doc/directory_test/dir1/dir2");
assert!(result.is_ok());
result = directory::create_parent("./target/__test/example/doc/directory_test/dir1/files/file.txt");
assert!(result.is_ok());
// delete directory
result = directory::delete("./target/__test/example/doc/directory_test");
assert!(result.is_ok());
// basename and parent directory examples
let basename = path::get_basename("./src/path/mod.rs");
assert_eq!(basename.unwrap(), "mod.rs");
let dirname = path::get_parent_directory("./src/path/mod.rs");
assert_eq!(dirname.unwrap(), "./src/path");
// canonicalize examples
let path_obj = Path::new("./src/path/mod.rs");
let path1 = path::canonicalize_as_string(&path_obj);
let path2 = path::canonicalize_or("./src/path/mod.rs", "/src/path/mod.rs");
assert_eq!(path1.unwrap(), path2);
}
Installation
In order to use this library, just add it as a dependency:
[dependencies]
fsio = "*"
If you need access to temporary file paths, enable the temp-path feature as follows:
[dependencies]
fsio = { version = "*", features = ["temp-path"] }
Contributing
License
Developed by Sagie Gur-Ari and licensed under the Apache 2 open source license.