text: #!/usr/bin/env node
  'use strict';
  var pkg = require('./package.json');
  var leven = require('./');
  var argv = process.argv.slice(2);
  
  function help() {
  	console.log([
  		'',
  		'  ' + pkg.description,
  		'',
  		'  Example',
  		'    $ leven cat cow',
  		'    2'
  	].join('\n'));
  }
  
  if (argv.length !== 2 || argv.indexOf('--help') !== -1) {
  	help();
  	return;
  }
  
  if (argv.indexOf('--version') !== -1) {
  	console.log(pkg.version);
  	return;
  }
  
  console.log(leven(argv[0], argv[1]));
  