How to obtain one excel file instead of multiple file?

I have 10 excel file in a folder. I have fetch 1st column from each file using for loop. I want to create another excel file containing these 10 column, but I get 10 different excel file instead of one file. How can I overcome this problem?

Area{i}=xlsread(filename,sheet,'A:A');
xlswrite(strcat('D:\result_excel\AREA','.xls'),Area{i},1)

Answer 1

[Image Analyst]

See the FAQ: http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F

In the loop, get the filename, extract the first column into the next column of a double array or a cell array that you are building up. Then when the loop exits, create an output filename and write out the data. The FAQ has code samples.

Answer 2

[Star Strider]

I would put the xlswrite call after the for loop rather than in it.