def doit(args) :
cgobj = CompGlyph()
glyphcount = 0
for g in ET.parse(args.input).getroot().findall('glyph'):
glyphcount += 1
cgobj.CDelement = g
cgobj.CDline = None
cgobj.parsefromCDelement()
if cgobj.CDline != None:
args.output.write(cgobj.CDline+'\n')
else:
pass # error in glyph number glyphcount message
return
