Hi, I have the following code:
opts = detectImportOptions(fullfile(file_B_path, file_B_name)); % Detects import of table opts = setvartype(opts, 'ID', 'string'); % Sets ID to string datatype opts = setvartype(opts, 'RvCCompliance', 'string'); % Sets RvC Compliance to string datatype ---> opts.VariableNamingRule = 'modify'; file_B = readtable(fullfile(file_B_path, file_B_name),opts); % Imports table
and I keep getting the following warning:
Warning: Column headers from the file were modified to make them valid MATLAB identifiers before creating variable names for the table. The original column headers are saved in the VariableDescriptions property. Set 'VariableNamingRule' to 'preserve' to use the original column headers as table variable names.
I know that variablenamingrule is set to modify, in fact, I want it to be set to modify. Why wont adding the line with the pointer get rid of this messege ?
John Williams answered . 2024-05-20 00:27:07
opts = detectImportOptions(fullfile(file_B_path, file_B_name)); % Detects import of table
opts = setvartype(opts, 'ID', 'string'); % Sets ID to string datatype
opts = setvartype(opts, 'RvCCompliance', 'string'); % Sets RvC Compliance to string datatype
w=warning('off','MATLAB:table:ModifiedAndSavedVarnames'); % turn off annoying warning, save state
file_B = readtable(fullfile(file_B_path, file_B_name),opts); % Imports table
warning(w); % reset warning level
Since 'modify' is the default state for the name preservation property, it doesn't need to be set in the options struct and makes no difference if it is (as you've seen).
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