upload all image files in current folder to imgur (to install dependencies: `npm i request`)

upload-imgur.js

#! /usr/bin/env node

var request = require('request'),
    fs = require('fs'),
    endOfLine = require('os').EOL,
    output = fs.createWriteStream('links.txt'),
    filesInFolder = fs.readdirSync('.'),
    URL = 'https://api.imgur.com/3/image/',
    IMAGE_REGEX = /.*\.(jpg|jpeg|png|gif)/i,
    IMGUR_CLIENT_ID = '<your client id>';

filesInFolder
    .filter(onlyImages)
    .forEach(function (filePath) {
        fs.createReadStream(filePath)
            .pipe(request.post({
                url: URL,
                headers: {
                    Authorization: 'Client-ID ' + IMGUR_CLIENT_ID
                }
            }))
            .on('data', function (response) {
                var data = JSON.parse(response.toString()).data;
                output.write(
                    filePath + ":\t" + data.link +
                    "\t( delete url: " + URL + data.deletehash + ")" +
                    endOfLine
                );
            })
            .on('error', function (error) {
                console.error("error:", error);
            })
    });

function onlyImages (path) {
    return IMAGE_REGEX.test(path);
}