--- a/numerics/normalize.py	Fri May 15 16:30:34 2015 -0700
+++ b/numerics/normalize.py	Fri May 15 16:35:34 2015 -0700
@@ -7,45 +7,22 @@
 
 # imports
 import sys
+from .manipulate import ManipulationParser
 
 # module globals
 __all__ = ['main', 'NormalizationParser']
 
-class Parser(argparse.ArgumentParser):
+class NormalizationParser(ManipulationParser):
     """CLI option parser"""
-    def __init__(self, **kwargs):
-        kwargs.setdefault('formatter_class', argparse.RawTextHelpFormatter)
-        kwargs.setdefault('description', __doc__)
-        argparse.ArgumentParser.__init__(self, **kwargs)
-        self.add_argument('--monitor', dest='monitor',
-                          type=float, metavar='SLEEP',
-                          help="run in monitor mode")
-        self.options = None
 
-    def parse_args(self, *args, **kw):
-        options = argparse.ArgumentParser.parse_args(self, *args, **kw)
-        self.validate(options)
-        self.options = options
-        return options
-
-    def validate(self, options):
-        """validate options"""
 
 def main(args=sys.argv[1:]):
     """CLI"""
 
     # parse command line options
-    parser = Parser()
+    parser = NormalizationParser()
     options = parser.parse_args(args)
 
-    try:
-        while True:
-            if options.monitor:
-                time.sleep(options.monitor)
-            else:
-                break
-    except KeyboardInterrupt:
-        pass
 
 if __name__ == '__main__':
     main()