%PRWAITBARNEXT Low level routine to simplify PRWAITBAR next calls
%
% COUNT = PRWAITBARNEXT(N,STRING,COUNT)
%
% Update call for PRWAITBAR after initialisation by PRWAITBARINIT.
%
% In case COUNT = 0 it initializes as well and a separate call to
% PRWAITBARINIT is not needed.
%
% SEE PRWAITBARINIT
function count = prwaitbarnext(n,ss,count)
if count < 0
[n,s,count] = prwaitbarinit(ss,n);
else
s = sprintf(ss,n);
end
if n > 1
count = count + 1;
% we show one count more as prwaitbarnext typically is at the end of a
% loop, while prwaitbar is at the beginning
prwaitbar(n,count+1,[s int2str(count+1)]);
if count == n
prwaitbar(0);
end
end
return