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5  <title>Description of copyfields</title>
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19
20<h1>copyfields
21</h1>
22
23<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
24<div class="box"><strong>'copyfields' copy fields between two matlab structures</strong></div>
25
26<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
27<div class="box"><strong>function NewData=copyfields(listfields,SourceData,OldData) </strong></div>
28
29<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
30<div class="fragment"><pre class="comment">'copyfields' copy fields between two matlab structures
31%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
32 OUPUT:
33 NewData: resulting structure
34
35INPUT:
36 listfields: cell arrays representing the list of field names to be copied
37 SourceData: structure containing the source data to copy in NewData
38 OldData: (optional) preexisting data structure.</pre></div>
39
40<!-- crossreference -->
41<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
42This function calls:
43<ul style="list-style-image:url(../matlabicon.gif)">
44</ul>
45This function is called by:
46<ul style="list-style-image:url(../matlabicon.gif)">
47</ul>
48<!-- crossreference -->
49
50
51<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
52<div class="fragment"><pre>0001 <span class="comment">%'copyfields' copy fields between two matlab structures</span>
530002 <span class="comment">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span>
540003 <span class="comment">% OUPUT:</span>
550004 <span class="comment">% NewData: resulting structure</span>
560005 <span class="comment">%</span>
570006 <span class="comment">%INPUT:</span>
580007 <span class="comment">% listfields: cell arrays representing the list of field names to be copied</span>
590008 <span class="comment">% SourceData: structure containing the source data to copy in NewData</span>
600009 <span class="comment">% OldData: (optional) preexisting data structure.</span>
610010
620011 <a name="_sub0" href="#_subfunctions" class="code">function NewData=copyfields(listfields,SourceData,OldData)</a>
630012 <span class="keyword">if</span> ~exist(<span class="string">'OldData'</span>,<span class="string">'var'</span>)
640013     OldData=[];
650014 <span class="keyword">end</span>
660015 NewData=OldData;<span class="comment">%default</span>
670016 <span class="keyword">for</span> ifield=1:length(listfields)
680017     <span class="keyword">if</span> isfield(SourceData,listfields{ifield}) &amp; ~isempty(eval([<span class="string">'SourceData.'</span> listfields{ifield}]))
690018         eval([<span class="string">'NewData.'</span> listfields{ifield} <span class="string">'=SourceData.'</span> listfields{ifield} <span class="string">';'</span>]);
700019     <span class="keyword">elseif</span> isfield(OldData,listfields{ifield})
710020         NewData=rmfield(NewData,listfields{ifield});
720021     <span class="keyword">end</span>
730022 <span class="keyword">end</span></pre></div>
74<hr><address>Generated on Fri 13-Nov-2009 11:17:03 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/">m2html</a></strong> &copy; 2003</address>
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