cli.ls

``__dirname = process.cwd();``
let
	require! {
		fs
		path
		yargs
		\./livescript.min.js
	}
	{argv} = yargs
		.command "ls2 <filepath>" "Run filepath"
		.command "ls2 -c <src> <dist>" "Compile src to dist"
		.option \c,
			alias: \compile
			type: \array
			describe: "Compile src to dist"
		.option \b,
			alias: \bare
			type: \boolean
			default: no
			describe: "Compile without the top-level function wrapper"
		.option \e,
			alias: \header
			type: \boolean
			default: yes
			describe: "Add the \"Generated by\" header"
		.option \n,
			type: \boolean
			describe: "Negate of --header"
		.alias \h \help
		.alias \v \version
	switch
	| argv.compile
		let
			if argv.compile.length < 2
				throw Error "Missing <src> or <dist> args"
			else
				[src, dist] = argv.compile
				{bare, header} = argv
				src = path.resolve __dirname, src
				dist = path.resolve __dirname, dist
				header = no if argv.n
				code = fs.readFileSync src, \utf8
				code = livescript.compile code,
					bare: bare
					header: header
				fs.writeFileSync dist, code
	else
		let
			[filepath] = argv._
			if filepath
				require = global.require = (file) ->
					if /^\.{0,2}\//test file
						module.require path.resolve __dirname, file
					else
						module.require file
				if not filepath.endsWith \.ls
					filepath += \.ls
				filepath = path.resolve __dirname, filepath
				code = fs.readFileSync filepath, \utf8
				code = livescript.compile code
				code = "delete code;#code"
				do (fs, path, yargs, livescript, argv, filepath) !->
					eval code