function y = time(t)
%TIME  returns a string containing the time in hh:mm:ss format.
%       T = TIME returns a string containing the time in hh:mm:ss format.
%
%       Claudio June 6 1995.

%
% Copyright (c) 1995 by Claudio Rivetti and Mark Young
% claudio@alice.uoregon.edu,    mark@alice.uoregon.edu
%

if nargin == 0
  t = clock;
end
h=int2str(t(4));
m=int2str(t(5));
s=int2str(t(6));

if length(h) ==1
  h=['0', h];
end
if length(m) ==1
  m=['0', m];
end
if length(s) ==1
  s=['0', s];
end

y = [h ':' m ':' s];

return