It displays stack trace if no args.
I think it's better to print help message.
$ nodal
/usr/local/lib/node_modules/nodal/node_modules/cmnd/lib/command_line_interface.js:22
commands = commands.split(':');
^
TypeError: Cannot read property 'split' of undefined
at CommandLineInterface.parse (/usr/local/lib/node_modules/nodal/node_modules/cmnd/lib/command_line_interface.js:22:26)
at CommandLineInterface.run (/usr/local/lib/node_modules/nodal/node_modules/cmnd/lib/command_line_interface.js:133:19)
at Object.<anonymous> (/usr/local/lib/node_modules/nodal/cli/bin.js:6:5)
at Module._compile (module.js:541:32)
at Object.Module._extensions..js (module.js:550:10)
at Module.load (module.js:458:32)
at tryModuleLoad (module.js:417:12)
at Function.Module._load (module.js:409:3)
at Function.Module.runMain (module.js:575:10)
at startup (node.js:160:18)
It displays stack trace if no args. I think it's better to print help message.