const fs = require('fs');
const hummus = require('hummus');

const run = async (params) => {
  const { inputFolder, outputFolder } = params;
  fs.readdirSync(inputFolder)
  .filter(filename => filename.indexOf('.pdf') > -1)
  .forEach((filename) => {
    const inputfile = `${inputFolder}/${filename}`;
    const outputfile = `${outputFolder}/${filename}`;
    const password = 'mypw';
    hummus.recrypt(inputfile, outputfile, { password });
  });
};

run({
  inputFolder: __dirname + '/paychecks',
  outputFolder: __dirname + '/paychecks-output',
});