Thanks Martin. It works!
<br><br>Peng
<br><br>Martin Landa [via OSGeo.org] wrote:
<div class='shrinkable-quote'><br>&gt; 2009/11/22 pdu &lt;[hidden email] 
<br>&gt; &lt;<a href="http://n2.nabble.com/user/SendEmail.jtp?type=node&node=4046562&i=0" target="_top" rel="nofollow">http://n2.nabble.com/user/SendEmail.jtp?type=node&node=4046562&i=0</a>&gt;&gt;:
<br>&gt; &gt; i.pca input=band1@PERMANENT,band2@PERMANENT, ..., band224@PERMANENT
<br>&gt;
<br>&gt; input=`g.mlist type=rast pattern=band*`
<br>&gt;
<br>&gt; Martin
<br>&gt;
<br>&gt; -- 
<br>&gt; Martin Landa &lt;landa.martin gmail.com&gt; * <a href="http://gama.fsv.cvut.cz/~landa" target="_top" rel="nofollow">http://gama.fsv.cvut.cz/~landa</a>&nbsp;
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