wp8/bin/node_modules/shelljs/scripts/docs.js

#!/usr/bin/env node
require('../global');

echo('Appending docs to README.md');

cd(__dirname + '/..');

// Extract docs from shell.js
var docs = grep('//@', 'shell.js');
// Remove '//@'
docs = docs.replace(/\/\/\@ ?/g, '');
// Append docs to README
sed('-i', /## Command reference(.|\n)*/, '## Command reference\n\n' + docs, 'README.md');

echo('All done.');