Using dlmwrite to write cell objects MATLAB - file

Question

I have a cell array with 7 columns. All these columns contain strings. I want to write this cell array into a text file. To start, I was doing this on only 1 element of the cell and this is my code:
dlmwrite('735.txt',cell{1},'delimiter','%s\t');
cell{1} looks like this:
Columns 1 through 2
[1x30 char] [1x20 char]
Column 3
'Acaryochloris'
Column 4
'Cyanobacteria001'
Columns 5 through 6
'Cyanobacteria00' 'Cyanobacteria'
Column 7
'Bacteria'
It gives me the output without separating the columns. Sample output is:
Acaryochloris_marina_MBIC11017AcaryochlorismarinaAcaryochlorisCyanobacteria001Cyanobacteria00CyanobacteriaBacteria
The correct output should have spaces between all the columns :
Acaryochloris_marina_MBIC11017 Acaryochloris_marina Acaryochloris Cyanobacteria001 Cyanobacteria00 Cyanobacteria Bacteria
Note that for the second column, we need to add the underscore between Acaryochloris and marina. There is originally a space between those two words.
I hope I explained the problem correctly, Would appreciate the help. Thanks!

Answer 1

DLMWRITE is for numerical data. In your case it process the char data as numbers, each character as a time. You probably view the resulted file in such a way that you don't see tab delimiters.
You can use XLSWRITE to write cell string array to a file. If you don't want the output to be in Excel format, run DLMWRITE before it to write some number to a file.
dlmwrite(filename,1)
xlswrite(filename, Acell{1})
Don't call you variable cell, which a keyword in MATLAB.
As an alternative you can write to a file with lower level function, like FPRINTF.
UPDATE:
If you want to use XLSWRITE in a for-loop and not to overwrite the data you can specify the row to start from:
dlmwrite(filename,1)
for k = 1:10
xlswrite( filename, Acell{k}, 1, sprintf('A%d',k) )
end
UPDATE 2:
Unfortunately it does not work anymore in the latest MATLAB releases (I believe starting from R2012b). XLSWRITE gives error about wrong file type.

Answer 2

Something along the lines of the following should do what you want:
fid = fopen('735.txt', 'w');
fprintf(fid, '%s\t', cell{1}{:});
fclose(fid);