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CLI to download all images/webms in a 4chan thread

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chan-downloader

Clone of 4chan-downloader written in Rust

CLI to download all images/webms of a 4chan thread.

If you use the reload flag, previously saved image won't be redownloaded.

Best results obtained while using the option -c 4 (4 concurrent downloads).

USAGE:
    chan-downloader [FLAGS] [OPTIONS] --thread <thread>

FLAGS:
    -h, --help       Prints help information
    -r, --reload     Reload thread every t minutes to get new images
    -V, --version    Prints version information

OPTIONS:
    -c, --concurrent <concurrent>    Number of concurrent requests (Default is 2)
    -i, --interval <interval>        Time between each reload (in minutes. Default is 5)
    -l, --limit <limit>              Time limit for execution (in minutes. Default is 120)
    -o, --output <output>            Output directory (Default is 'downloads')
    -t, --thread <thread>            URL of the thread

chan_downloader

You can also use chan_downloader, the library used

save_image

Saves the image from the url to the given path. Returns the path on success

use reqwest::Client;
use std::env;
use std::fs::remove_file;
let client = Client::new();
let workpath = env::current_dir().unwrap().join("1489266570954.jpg");
let url = "https://i.4cdn.org/wg/1489266570954.jpg";
let answer = chan_downloader::save_image(url, workpath.to_str().unwrap(), &client).unwrap();

assert_eq!(workpath.to_str().unwrap(), answer);
remove_file(answer).unwrap();

get_page_content

Returns the page content from the given url.

use reqwest::Client;
let client = Client::new();
let url = "https://boards.4chan.org/wg/thread/6872254";
match chan_downloader::get_page_content(url, &client) {
    Ok(page) => println!("Content: {}", page),
    Err(err) => eprintln!("Error: {}", err),
}

get_thread_infos

Returns the board name and thread id.

let url = "https://boards.4chan.org/wg/thread/6872254";
let (board_name, thread_id) = chan_downloader::get_thread_infos(url);

assert_eq!(board_name, "wg");
assert_eq!(thread_id, "6872254");

get_image_links

Returns the links and the number of links from a page. Note that the links are doubled.

use reqwest::Client;
let client = Client::new();
let url = "https://boards.4chan.org/wg/thread/6872254";
match chan_downloader::get_page_content(url, &client) {
    Ok(page_string) => {
        let (links_iter, number_of_links) = chan_downloader::get_image_links(page_string.as_str());

        assert_eq!(number_of_links, 4);

        for cap in links_iter.step_by(2) {
            println!("{} and {}", &cap[1], &cap[2]);
        }
    },
    Err(err) => eprintln!("Error: {}", err),
}

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CLI to download all images/webms in a 4chan thread

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