MATLAB: Unable to read XML file using xmlread

MATLABreadxmlread

I tried to read xml file using xmlread, but getting the following error

Error using xmlstringinput (line 42)

File MHCES_V1_3B_Turbine_RT.xml not found

Error in xmlread (line 85)

filename = xmlstringinput(filename,true);

Need help in understanding the said error?

Best Answer

You asked to read a file named MHCES_V1_3B_Turbine_RT.xml but that file does not exist in your current directory, and does not exist anywhere on the MATLAB path.

If you are trying to read a file stored in another directory, make sure to include the directory information as part of the file name. See fullfile() for a convenient way to splice together directory information and file name information.

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MATLAB: How do i load a file automatically in a particular folder just by a part of the filename

folder='C:\Path\To\Your\Data';
list_of_files=dir(fullfile(folder,'Annot*'));
%remove any matching folders
list_of_files([list_of_files.isdir])=[];

MATLAB: Why do I receive an empty document [#document: null] when I read a xml file with xmlread

I'm not sure why you think that you received an empty document.

The display that you are seeing, [#document: null], consists of two parts. The first part is #document, which is the node name. When you parse XML with xmlread, you always receive a #document node as the top-level node.

>> dom = xmlread('example.xml')
dom =
[#document: null]
>> getNodeName(dom)
ans =
#document
>>

The second part is null, which is the value of the node. null is used to indicate that the node doesn't have a value.

>> getNodeValue(dom)
ans =
       []
>>

A #text node usually has a value. In your example, the text node under the first cell element has a value of '65'.

>> cells = dom.getElementsByTagName('cell');
>> cell  = cells.item(0)
cell =
[cell: null]
>> text = cell.item(0)
text =
[#text: 65]
>> getNodeValue(text)
ans =
65
>>

Best Answer

Related Solutions

MATLAB: How do i load a file automatically in a particular folder just by a part of the filename

MATLAB: Why do I receive an empty document [#document: null] when I read a xml file with xmlread

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