Check If A Fieldname Exists In Mat File

To determine if a field exists at any level in a nested structure create a new function that examines all levels of the structure.

Check if a fieldname exists in mat file.

I get false back which i normally would interpret as the mat file doesn t exist in the matlab search path. Matlab does not accept wildcard commands like. Sign in to comment. Open the matlab editor and paste the following function into it.

Show hide all comments. Check for existence of mat file in search path. Is there an option in save or any other function which support automatic renaming if the filename already exists or do i need to check by myself. Categories matlab app building.

This routine will check to see if a field name exists and if it the field name already exists then it will return a field name that does not exist by adding a 1 to the end of the field name. Sign in to comment. Note that we use the isequal bit to check if it is actually a file or a folder. However imgdata load mandrill works perfectly fine.

If it does not find a variable of that name it will throw a warning. So you want to check if a file or a folder exists in matlab. Here s how to do it. Follow 90 views last 30 days dm on 8 may 2012.

0 name does not exist or cannot be found for other reasons. I require to check whether any file exists with a specific extension in a given folder. Same applies for the seamount image. If it does find one it will load the variable.

Sign in to answer this question. Is there a way to check the files exists in a particular directory without using the filename what i mean to say is the more generalised way to find out 0 comments. Sign in to answer this question. Like saving as file2 mat if file mat already exist 0 comments.

If we take the isequal check out then the first if statement would be true for a file and a folder since exist. The file folder to find. Save the function as a matlab file named myisfield m. Let us say i look for whether any pdf file is present in my working directory.

Function checkiffieldnameexists fieldname as string filename as string as string dim db as database dim table as table dim field as field dim i. Show hide all comments. For example if name exists in a restricted folder to which matlab does not have access exist returns 0. 2 name is a file with extension m mlx or mlapp or name is the name of a file with a non registered file extension mat fig txt.