bash - Ant executable attribute -

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i work bash , ant , want execute command 

    <exec dir="../../../path/to/"  executable="./configure">          <arg line="--prefix=$(readlink -f ./../../../applications/common/lg-media-server/rpmbuild/pp)"/>     </exec>

it not work .can me?

the issue ant doesn't interpret command line arguments shell do. must first evaluate $(readlink -f ./../../../applications/common/lg-media-server/rpmbuild/pp) via ant before calling configure.

something these 2 steps should work:

<exec executable="readlink" outputproperty="pp_path">     <arg line="-f ./../../../applications/common/lg-media-server/rpmbuild/pp"/> </exec>  <exec dir="../../../path/to/"  executable="./configure">     <arg line="--prefix=${pp_path}"/> </exec>

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