i want to create a error msage.

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..

Answer 1

[Chirag Gupta]

Use exist

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

[partha das]

it is also not working where file name is variable.

Answer 2

[Friedrich]

Hi,

maybe something like this?

 msgbox('File not found','Error','Error')

[partha das]

but what should be the condition before this msg... dat wat i want to know plz inform. thank you

[Chirag Gupta]

If you wanted to throw a MATLAB error use, error('File Not found')

[Friedrich]

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]

but here file name is variable....so its not working..