bash-js-in's Introduction

Bash JS in

Have you ever wanted to Bash script something but Bash is not your favourite language?

Is the script you want to write complex?

You want to save your time because you are not Bash expert (yet)?

Features

vanilla JavaScript
using Bash inside JavaScript
Bash output redirecition to JavaScript
JavaScript backticks `` templating for Bash
outputs command results to STDIN so it can be redirected

Requirements

NodeJS 8 (for async, await and yield)

Usage

var { Run, Command } = require('bash-js-in');

(async function () {
    var results = await Run(seriesOfCommands());
    console.log();
    console.log(`Summary:`);
    console.log(`===`);
    console.log(`executed ${results.length} commands`);
})();

async function* seriesOfCommands() {
    // get my IP address
    var myIp = yield Command('curl --silent https://canihazip.com/s');
    console.log(`\t＼（＾ ＾）／ my IP is ${myIp.value}`);

    // get a Quote of the Day
    var quoteOfTheDay = yield Command(`curl --silent -X GET --header 'Accept: application/json' 'https://quotes.rest/qod'`);
    var quote = JSON.parse(quoteOfTheDay.value).contents.quotes[0];
    console.log(`\t"${quote.quote}" -- ${quote.author}`);
}

Result

31.60.22.70
        ＼（＾ ＾）／ my IP is 31.60.22.70

{
    "success": {
        "total": 1
    },
    "contents": {
        "quotes": [
            {
                "quote": "He who is not courageous enough to take risks will accomplish nothing in life.",
                "author": "Mohamad Ali",
                "length": null,
                "tags": [
                    "courage",
                    "inspire",
                    "risk"
                ],
                "category": "inspire",
                "title": "Inspiring Quote of the day",
                "date": "2019-06-16",
                "id": null
            }
        ],
        "copyright": "2017-19 theysaidso.com"
    }
}
        "He who is not courageous enough to take risks will accomplish nothing in life." -- Mohamad Ali

Summary:
===
executed 2 commands