def tryMatch():
i = sys.argv[2]
db = NamesDB()
by_ip = re.match(r'\d{1,3}[^A-z]*$', i)
if by_ip:
db.findByIP(i + '%')
else:
db.findByName('%' + i + '%')
db.readRows()
if not db._rows: return False
ip = None
for row in db._rows:
if not by_ip and i == row[0]:
ip = row[1]
print '{0:20} {1:>13}'.format(*row)
if ip:
print
db.findByIP(ip)
db.readRows()
if db._rows:
db.printRows()
return True
