Starting in R2017b, you can use the "isfile" function to check if a file exists. For example:
if isfile(filename)
else
end
The "isfile" function searches for files only on the specified path or in the current folder.
For R2017a and previous releases, use the "exist" function. For example:
if exist(filename, 'file') == 2
else
end
Be sure to specify an absolute path for the file name. The "exist" function searches all files and folders on the search path, which can lead to unexpected results if multiple files with the same name exist.
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