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How to specifiy the data format to export generated data from matlab?!

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Hi Guys,
I try to save data to a text format. The name of the data exported is:
name=[Model_File '__ Timeslot_STI: ' num2str(Timeslot)]
fid = fopen(name,'w'); % Create/open file discarding content
now i dont know how to specify the file type, when i creat this document. I would like to save it as txt.file... Does anyone know how to arrange this?
I am very glad for your help! Best regards, John

Accepted Answer

Walter Roberson
Walter Roberson on 9 Oct 2015
name = sprintf('%s__ Timeslot_STI: %g.txt', Model_File, Timeslot);
fid = fopen(name, 'wt'); % Create/open file discarding content
John on 12 Oct 2015
Hi Walter,
ext='.txt'; %extension in which files will be saved
% Create/open file discarding content
fid = fopen(filename,'wt');
works fine with me and creates a textfile:)
Walter Roberson
Walter Roberson on 12 Oct 2015
Colons (':') are not permitted in MS Windows file names as they are reserved for drive specifications.

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