_ant_does_target_list_need_generating () {
   if [ ! -f .ant_targets ]; then return 0;
   else
     accurate=$(stat -f%m .ant_targets)
     changed=$(stat -f%m build.xml)
     return $(expr $accurate '>=' $changed)
   fi
 }
 
 _ant () {
   if [ -f build.xml ]; then
     if _ant_does_target_list_need_generating; then
      sed -n '/<target/s/<target.*name="\([^"]*\).*$/\1/p' build.xml > .ant_targets
     fi
     compadd `cat .ant_targets`
   fi
 }
 
 compdef _ant ant