This bitten recipe shows how to download and untar the file hello-2.3.tar.gz from ftp.gnu.org

<!--
Tested on fedora 9
-->
<build description="Getting files"
      xmlns:sh="http://bitten.cmlenz.net/tools/sh">
 <step id="Getting hello-2.3.tar.gz from ftp.gnu.org using wget">
   <sh:exec file="/usr/bin/wget" args="ftp://ftp.gnu.org/pub/gnu/hello/hello-2.3.tar.gz"/>
 </step>
 <step id="untar hello-2.3.tar.gz">
   <sh:exec executable="gtar" args="xzf hello-2.3.tar.gz"/>
 </step>
</build>