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Monthly Downloads: 34,839
Programming language: Rust
License: MIT License
Tags: Filesystem     file     Operations     Dir     Recursion     Copy    

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README

fs_extra

A Rust library that provides additional functionality not present in std::fs.

Build Status Crates.io Status Docs

Documentation

Migrations to 1.x.x version

Key features:

  • Copy files (optionally with information about the progress).

  • Copy directories recursively (optionally with information about the progress).

  • Move files (optionally with information about the progress).

  • Move directories recursively (optionally with information about the progress).

  • A single method for create and write String content in file.

  • A single method for open and read String content from file.

  • Get folder size

  • Get collection of directory entries

Functions:

Function Description
fs_extra::copy_items Recursively copies files and directories from one location to another
fs_extra::copy_items_with_progress Recursively copies files and directories from one location to another with information about progress
fs_extra::move_items Recursively moves files and directories from one location to another
fs_extra::move_items_with_progress Recursively moves files and directories from one location to another with information about progress
fs_extra::remove_items Removes files or directories
fs_extra::file::copy Copies the contents of one file to another
fs_extra::file::copy_with_progress Copies the contents of one file to another with information about progress
fs_extra::file::move_file Moves a file from one location to another
fs_extra::file::move_file_with_progress Moves a file from one location to another with information about progress
fs_extra::file::remove Removes a file
fs_extra::file::read_to_string Reads file content into a String
fs_extra::file::write_all Writes String content to a file
fs_extra::dir::create Creates a new, empty directory at the given path
fs_extra::dir::create_all Recursively creates a directory and all of its parent components if they are missing
fs_extra::dir::copy Recursively copies the directory contents from one location to another
fs_extra::dir::copy_with_progress Recursively copies the directory contents from one location to another with information about progress
fs_extra::dir::move_dir Moves directory contents from one location to another
fs_extra::dir::move_dir_with_progress Moves directory contents from one location to another with information about progress
fs_extra::dir::remove Removes directory
fs_extra::dir::get_size Returns the size of the file or directory
fs_extra::dir::get_dir_content Gets details such as the size and child items of a directory
fs_extra::dir::get_dir_content2 Gets details such as the size and child items of a directory using specified settings
fs_extra::dir::get_details_entry Gets attributes of a directory entry
fs_extra::dir::ls Gets attributes of directory entries in a directory

Usage

Add this to your Cargo.toml:

[dependencies]
fs_extra = "1.1.0"

Examples

The following example shows how to copy a directory recursively and display progress. First a source directory ./temp/dir containing file test1.txt and a subdirectory sub is createad with sub itself having a file test2.txt. ./temp/dir and all contents are then copied out to ./out/dir.

use std::path::Path;
use std::{thread, time};
use std::sync::mpsc::{self, TryRecvError};

extern crate fs_extra;
use fs_extra::dir::*;
use fs_extra::error::*;

fn example_copy() -> Result<()> {

    let path_from = Path::new("./temp");
    let path_to = path_from.join("out");
    let test_folder = path_from.join("test_folder");
    let dir = test_folder.join("dir");
    let sub = dir.join("sub");
    let file1 = dir.join("file1.txt");
    let file2 = sub.join("file2.txt");

    create_all(&sub, true)?;
    create_all(&path_to, true)?;
    fs_extra::file::write_all(&file1, "content1")?;
    fs_extra::file::write_all(&file2, "content2")?;

    assert!(dir.exists());
    assert!(sub.exists());
    assert!(file1.exists());
    assert!(file2.exists());


    let mut options = CopyOptions::new();
    options.buffer_size = 1;
    let (tx, rx) = mpsc::channel();
    thread::spawn(move || {
        let handler = |process_info: TransitProcess| {
            tx.send(process_info).unwrap();
            thread::sleep(time::Duration::from_millis(500));
            fs_extra::dir::TransitProcessResult::ContinueOrAbort
        };
        copy_with_progress(&test_folder, &path_to, &options, handler).unwrap();
    });

    loop {
        match rx.try_recv() {
            Ok(process_info) => {
                println!("{} of {} bytes",
                         process_info.copied_bytes,
                         process_info.total_bytes);
            }
            Err(TryRecvError::Disconnected) => {
                println!("finished");
                break;
            }
            Err(TryRecvError::Empty) => {}
        }
    }
    Ok(())

}
fn main() {
    example_copy();
}