Hello world - Node.js, Express and COBOL

hello.cbl

       IDENTIFICATION DIVISION.
       PROGRAM-ID. CLIOPTIONS.
       ENVIRONMENT DIVISION.
       DATA DIVISION.
       WORKING-STORAGE SECTION.

       01 argv                 pic x(100) value spaces.

       PROCEDURE DIVISION.
       ACCEPT argv FROM argument-value
       DISPLAY "<h2>Hello, " argv "!</h2>"
       STOP RUN.

index.js

var express = require('express');
var Cobol = require('cobol');

var app = express();
var port = process.argv[2] || 3000;
app.listen(port);

app.get('/hello', function (req, res) {
	var name = req.query.name || 'Anonymous person';
	Cobol('./hello.cbl', {
	    args: [name]
	}, function (err, data) {
	    if(err) {
	    	res.status(500).send('I hate to be rude, but there was an error: ' + err);
	    }
	    else {
	    	res.send(data);
	    }
	});
});

package.json

{
  "name": "cobol-example",
  "version": "0.0.1",
  "description": "This is an example app using node cobol.",
  "main": "index.js",
  "scripts": {
  	"start": "node index.js",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "Mark Headd <[email protected]> (http://civic.io/)",
  "license": "CC0",
  "dependencies": {
    "cobol": "^1.5.1",
    "express": "^4.13.4"
  }
}

To try this, do the following on OS X:

~$ brew install gnu-cobol
~$ git clone https://gist.github.com/mheadd/f2b7575ba1e6418b7b57442dc9ab9252 && cd f2b7575ba1e6418b7b57442dc9ab9252
~$ npm install
~$ npm start

Open your web browser to http://127.0.0.1:3000/hello. Adding a query string parameter for name makes it personal.

http://127.0.0.1:3000/hello?name=Big%20fella