dlmwrite problem within loop

i want to write matrix that result from loop in a txt file comma delimited i write the following command:

    dlmwrite(['Test_data_Proposed', num2str(flag),'.txt'] , all_measured,'delimiter',',');

as flag is the counter within loop, all_measured is the matrix the error that all txt files have the same length although they don't. dlmwrite fixes the txt file length to 795 while all_measured values could exceed 1000 or less. How Could i fix this issue?

[Walter Roberson]

What is class(all_measured) and size(all_measured) ?

[Rana Sobhy]

double

size(all_measured)=[x 17]

it is variable size for each loop , as x is the number of rows

[Rana Sobhy]

i mean dlmwrite overwrite the existing matrix in the txtfile even if i make matrix =0

[Walter Roberson]

The only time I have ever seen file writes returning a fixed file size was when I was using up the very last of my disk space.

Could you attach a .mat for one that you are having difficulty with?

[Walter Roberson]

dlmwrite() is intended to overwrite the existing content unless you use the -append flag .

[Rana Sobhy]

i don't use append option . Even if i use it , in each loop i write in diffrent file .

i couldn't upload the file as it calls more than 3 function related o images