argv option parser
var argv = require("@nathanfaucett/argv");
var optionsParser = argv({
file: ["f", "start file", "string"],
out: ["o", "out directory/file", "string"],
ignore: ["i", "ignore paths", "array"],
exportName: ["e", "export to global scope", "string"]
});
// if an array is not given uses process.argv.slice(2)
optionsParser.parse(); // returns object of parsed options