ant - What are the alternatives for <first> in NAnt? -

in ant can use following script:

 <first id="first">         <fileset dir="dir.zips" includes="**/a.zip" />  </first>  <echo message="${tostring:first}" /> 

to first file filelist.

is there alternative same in nant. <first> not valid task in nant.

i found alterative, though not efficient

<property name="iter" value="0" overwrite="true"/> <property name="first" value="" overwrite="true"/> <foreach item="file" property="filename" in"src\build">     <do>         <if test="${iter == '0'}">             <property name="first" value="${filename}" overwrite="true"/>         </if>     <do>     <property name = "iter" value="${int::parse(iter) + 1}"/> </foreach>  

since loop won't break after first iteration, have decided create custom task.