function Source (client) {
	this.cwd = null

	this.install = () => {
	}

	this.start = () => {
	}

	// I/O

	this.read = (file, callback, store = false) => {
		if(!this.cwd) {
			openCwd()
		}

		
	}

	this.write = (name, ext, content, type, settings = 'charset=utf-8') => {

	}

	function timestamp (d = new Date(), e = new Date(d)) {
		return `${arvelie()}-${neralie()}`
	}

	function arvelie (date = new Date()) {
		const start = new Date(date.getFullYear(), 0, 0)
		const diff = (date - start) + ((start.getTimezoneOffset() - date.getTimezoneOffset()) * 60 * 1000)
		const doty = Math.floor(diff / 86400000) - 1
		const y = date.getFullYear().toString().substr(2, 2)
		const m = doty === 364 || doty === 365 ? '+' : String.fromCharCode(97 + Math.floor(doty / 14)).toUpperCase()
		const d = `${(doty === 365 ? 1 : doty === 366 ? 2 : (doty % 14)) + 1}`.padStart(2, '0')
		return `${y}${m}${d}`
	}

	function neralie (d = new Date(), e = new Date(d)) {
		const ms = e - d.setHours(0, 0, 0, 0)
		return (ms / 8640 / 10000).toFixed(6).substr(2, 6)
	}
}