MATLAB version 2018b provides a different exception identifier for the same situation than version 2017b did. Can you suggest the easiest way to handle this that works for both versions?

Question

Marta 2018-9-24

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/420513-matlab-version-2018b-provides-a-different-exception-identifier-for-the-same-situation-than-version-2

评论： Walter Roberson 2018-9-24

 % this same bit of code causes the identifier "MATLAB:imagesci:h5info:unableToFind"
 % is there a better way to catch this exception that will work for both versions?
IMUstring = '/Nav_Data/'; % does this group exist in the hdf5 file?
try
  h5info(full_h5_name,IMUstring);
catch err % No, so check for this group instead
  if strcmp(err.identifier,'MATLAB:imagesci:h5info:libraryError')
      IMUstring='/ER2_IMU/';
      try
          h5info(full_h5_name,IMUstring);
      catch err % Not that group.  One last option
          IMUstring = '/ApplanixIMU/';
          try
              h5info(full_h5_name,IMUstring);
            catch err % out of options.  Alert the user to problem
                if strcmp(err.identifier,'MATLAB:imagesci:h5info:libraryError')
                    error('problem identifying IMU in use.  Did you give the correct filename?')
                end
            end
        end
    end