createUniqueFileName.m
aac9db1ea696TekRSA-Freq-vs-Time

createUniqueFileName.m
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			% Generate a unique file name based on the full file name supplied as the
			% input by appending _n with sufficiently large n.
			%
			% This function does not make sure that the filename is valid - i.e. that
			% it does not contain symbols forbidden by the file system.
			%
			% The second output argument is true if the file name was modified

			function [file_name, is_mod] = createUniqueFileName(file_name)
			[path, name, ext] = fileparts(file_name);

			if isempty(name)
			name = 'placeholder';
			end

			if isempty(path)
			path = pwd();
			end

			% List all the existing files in the measurement directory
			% that have the same extension as our input file name
			DirCont = dir(fullfile(path, ['*', ext]));
			file_ind = ~[DirCont.isdir];
			existing_fns = {DirCont(file_ind).name};

			% Remove extensions
			[~, existing_fns, ~] = cellfun(@fileparts, existing_fns, ...
			'UniformOutput', false);

			% Generate a new file name
			[name, is_mod] = matlab.lang.makeUniqueStrings(name, existing_fns);

			file_name = fullfile(path, [name, ext]);
			end