keng42 / hors

instant coding answers via the command line (howdoi in rust)

hors

Awesome program howdoi which implemented in rust, along with easily usage lib.

For binary usage, please go through the rest of this file. For lib documentation, please check here.

Screenshot

Installation

hors is written in Rust. The recommended way to install hors is through cargo.

cargo install hors

Tested platforms

For now, hors has been tested with the following platforms:

• linux
• osx
• windows

Usage

USAGE:
    hors [FLAGS] [OPTIONS] <QUERY>

FLAGS:
    -a, --all              display the full text of the answer.
    -c, --color            enable colorized output.
        --disable_proxy    Disable system proxy.
    -h, --help             Prints help information
    -l, --link             display only the answer link.
    -V, --version          Prints version information

OPTIONS:
    -e, --engine <engine>                    select middle search engine, currently support `bing`, `google` and
                                             `duckduckgo`. [default: duckduckgo]
    -n, --number_answers <number_answers>    number of answers to return. [default: 1]

ARGS:
    <QUERY>

Usage example

1. Want to know how to export pandas dataframe to csv?

hors "pandas dataframe to csv"

Here it is:

- Answer from https://stackoverflow.com/questions/16923281/pandas-writing-dataframe-to-csv-file
df.to_csv(file_name, sep='\t')

2. If we just want to know where is the answer existed?

hors "pandas dataframe to csv" -l

Here it is:

Title - pandas writing dataframe to csv file
https://stackoverflow.com/questions/16923281/pandas-writing-dataframe-to-csv-file

3. If we want more about the answer detailed?

hors "how to parse json in rust" -a

Here it is:

- Answer from https://stackoverflow.com/questions/30292752/how-do-i-parse-a-json-file

Solved by the many helpful members of the Rust community:

extern crate rustc_serialize;
use rustc_serialize::json::Json;
use std::fs::File;
use std::io::Read;

fn main() {
    let mut file = File::open("text.json").unwrap();
    let mut data = String::new();
    file.read_to_string(&mut data).unwrap();

    let json = Json::from_str(&data).unwrap();
    println!("{}", json.find_path(&["Address", "Street"]).unwrap());
}

4. What if we want to make output code colorized?

hors "how to parse json in python" -c

Here it is:

import json
j = json.loads('{"one" : "1", "two" : "2", "three" : "3"}')
print j['two']

5. How to get more than one answers

hors "set git remote url" -n 2 -a

Here it is:

- Answer from https://stackoverflow.com/questions/2432764/how-to-change-the-uri-url-for-a-remote-git-repository
You can

git remote set-url origin new.git.url/here

(see git help remote) or you can just edit .git/config and change the URLs there. You're not in any danger of losing history unless you do something very silly (and if you're worried, just make a copy of your repo, since your repo is your history.)


^_^ ==================================================== ^_^

- Answer from https://stackoverflow.com/questions/42830557/git-remote-add-origin-vs-remote-set-url-origin
below is used to a add a new remote:

git remote add origin [e-mail]:User/UserRepo.git

below is used to change the url of an existing remote repository:

git remote set-url origin [e-mail]:User/UserRepo.git

below will push your code to the master branch of the remote repository defined with origin and -u let you point your current local branch to the remote master branch:

git push -u origin master

Documentation

6. The default search engine is bing, how can I use other search engine?

hors "set git remote url" -n 2 -a -e "google"

Proxy support

If the network seems blocked, you can try to configure proxy like this:

export http_proxy=http://127.0.0.1:1087;export https_proxy=http://127.0.0.1:1087;

Of cause it should be a valid proxy in your machine.

Customize

hors is command line tools, which means that users can easily customize it.

For example, in Linux or MacOS, you can easily customize hors by alias. You can add the following lines into profile:

alias hors="hors -c"

which will enable hors colorize output by default. Let's says that we want to make hors output the whole answers, coloring output by default. So we can add the following lines into profile:

alias hors="hors -c -a"

Use hors as lib

Hors can be used as a lib, here is an example:

use std::str::FromStr;
use hors::{self, SearchEngine};

let search_engine: SearchEngine = SearchEngine::from_str("bing").unwrap();
let target_links: Vec<String> = hors::search_links(
    "how to parse json in rust",
    search_engine,
)
.await
.unwrap();
assert_ne!(target_links.len(), 0);
for link in target_links {
    assert!(link.contains("stackoverflow.com"));
}

For more information, please check documentation

Special thanks

Very thanks for the awesome project and links :)

• howdoi inspires hors (Fow now hors is howdoi which implements in rust).
• stackoverflow helps user solve question about coding.

About the name

hors is the abbreviation of howdoi in rust.