file-uppercase-test/index.js

converts the file contnets to upper case

var fs =require('fs');
var path = require('path');

module.exports.convertFileToUpperCase = function(fileName){
	console.log(fileName);
	var filePath = path.join(fileName);
	fs.readFile(fileName, 'utf-8', function(err, data){
		if(err)
		{
			console.log(filePath);
			console.log("file read error");
		}
		else
		{
			fs.writeFile(fileName, data.toUpperCase(), function(err) {
			if(err) {
				return console.log(err);
			}
			console.log('Data converted: '+data.toUpperCase());
			}); 
		}
	});
}