erts the current field prefix that was specified via the </span><a href="commandlinereference.htm#option_prefix" class="hs5">-prefix command line option</a><span class="ts1">.</span><span class="ts6">&nbsp;If the -prefix command line option was not used then this the token does not write anything to the output file.</span></p>
              <p><span class="ts3">&nbsp;</span></p>
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              <p class="ps13">