i want to create a error msage.

2011 7 13
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I want to run a program where a excel file will be taken as input and i want that if the excel file is not find there should be an error msg. how can i create that type of error msg box. please help me. thank you in advance..

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Chirag Gupta
Chirag Gupta 2011-7-13

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Use exist
if (~exist(filename,'file'))
msgbox('File Not found','Error','Error');
end

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Friedrich
Friedrich 2011-7-13

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Hi,
maybe something like this?
msgbox('File not found','Error','Error')

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partha das
partha das 2011-7-13
but what should be the condition before this msg... dat wat i want to know plz inform. thank you
Chirag Gupta
Chirag Gupta 2011-7-13
If you wanted to throw a MATLAB error use, error('File Not found')
Friedrich
Friedrich 2011-7-13
if exist('C:\path_to file_\name.xls','file') ~=2
msgbox('File not found','Error','Error')
else
%do what you like with the file here
partha das
partha das 2011-7-13
but here file name is variable....so its not working..

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