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.

Check if a fieldname exists in mat file. If it does find one it will load the variable. Open the matlab editor and paste the following function into it. Matlab does not accept wildcard commands like. 1 name is a variable in the workspace.

Note that we use the isequal bit to check if it is actually a file or a folder. Sign in to answer this question. Let us say i look for whether any pdf file is present in my working directory. 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.

Show hide all comments. Show hide all comments. For example if name exists in a restricted folder to which matlab does not have access exist returns 0. If we take the isequal check out then the first if statement would be true for a file and a folder since exist.

Follow 90 views last 30 days dm on 8 may 2012. Show hide all comments. I require to check whether any file exists with a specific extension in a given folder. To determine if a field exists at any level in a nested structure create a new function that examines all levels of the structure.

Categories matlab app building. Like saving as file2 mat if file mat already exist 0 comments. Sign in to comment. Sign in to comment.

0 name does not exist or cannot be found for other reasons. Save the function as a matlab file named myisfield m. Here is a simple example to read all the mat files in a given directory and load a variable named myvar if it exists. Sign in to answer this question.

Same applies for the seamount image. However imgdata load mandrill works perfectly fine. 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. Check for existence of mat file in search path.

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. Function checkiffieldnameexists fieldname as string filename as string as string dim db as database dim table as table dim field as field dim i. Here s how to do it. If it does not find a variable of that name it will throw a warning.