java - How to pass a variable number of arguments to ant exec -

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i have ant target takes variable number of arguments passed exec task. using old mechanism trivial:

<exec command="cmd /c ${_full-path-to-exec}" osfamily="windows" failonerror="true"> </exec>

however, use of 'command' deprecated in favor of nested elements. this:

<exec executable="cmd" osfamily="windows" failonerror="true">     <arg value="/c"/>     <arg file="${_full-path-to-exec}"/>     <arg value="${_param-one}"/>     <arg value="${_param-two}"/>     <arg value="${_param-three}"/> </exec>

which makes variable argument lists impossible.

how solve problem?

how this:

 <arg line="whatever args need"/>

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