import os
import tuned.logs
import base
from tuned.utils.commands import commands

class s2kb(base.Function):
	"""
	Conversion function: sectors to kbytes
	"""
	def __init__(self):
		# one argument
		super(self.__class__, self).__init__("s2kb", 1)

	def execute(self, args):
		if not super(self.__class__, self).execute(args):
			return None
		try:
			return str(int(args[0]) / 2)
		except ValueError:
			return None