- Document the usage of the third argument to the COPYTREE_* macros.

svn path=/head/; revision=29915

en_US.ISO8859-1/books/porters-handbook/book.sgml

@@ -4102,6 +4102,16 @@ PORTVERSION=   1.0</programlisting>
 	  <filename>summer</filename> subdirectory of a
 	  <filename><makevar>DATADIR</makevar></filename>.</para>
 
+	<para>Additional <command>find</command> arguments can be passed via
+	  the third argument to the <makevar>COPYTREE_*</makevar> macros.
+	  For example, to install all files from the first example except
+	  Makefiles, one can use the following command.</para>
+
+	<programlisting>post-install:
+	${MKDIR} ${EXAMPLESDIR}
+	(cd ${WRKSRC}/examples/ && \
+		${COPYTREE_SHARE} \* ${EXAMPLESDIR} "! -name Makefile")</programlisting>
+
 	<para>Note that these macros does not add the installed files to
 	  <filename>pkg-plist</filename>.  You still need to list them.</para>