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<title>PolyORB User&rsquo;s Guide: Pragma Import</title>

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<a name="Pragma-Import"></a>
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<p>
Next: <a href="Partition-Attribute-Directory.html#Partition-Attribute-Directory" accesskey="n" rel="next">Partition Attribute Directory</a>, Previous: <a href="Partition-Attribute-Host.html#Partition-Attribute-Host" accesskey="p" rel="prev">Partition Attribute Host</a>, Up: <a href="The-Configuration-Language.html#The-Configuration-Language" accesskey="u" rel="up">The Configuration Language</a> &nbsp; [<a href="About-This-Guide.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html#Index" title="Index" rel="index">Index</a>]</p>
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<hr>
<a name="Pragma-Import-1"></a>
<h4 class="subsubsection">8.5.4.18 Pragma Import</h4>

<p>Two kinds of subprograms are allowed in the configuration
language. A main procedure is used as a partition Main attribute and a
function is used as a partition Host attribute.
</p>
<div class="smallexample">
<pre class="smallexample">
PROCEDURE_DECLARATION ::=
     <b>procedure</b> PROCEDURE_IDENTIFIER;
FUNCTION_DECLARATION ::=
     <b>function</b> FUNCTION_IDENTIFIER
        (PARAMETER_IDENTIFIER : [<b>in</b>] String)
         <b>return</b> String;

</pre></div>

<p>The function can be an Ada function (default) or a shell script. To
import a shell script, the pragma Import must be used:
</p>
<div class="smallexample">
<pre class="smallexample">
PRAGMA ::=
   <b>pragma</b> Import
      ([Entity        =&gt;] FUNCTION_IDENTIFIER,
       [Convention    =&gt;] CONVENTION_LITERAL,
       [External_Name =&gt;] STRING_LITERAL);

<b>pragma</b> Import (Best_Node, Shell, &quot;best-node&quot;);
</pre></div>

<p>In this case, the PCS invokes the shell script with the partition
name as a command line argument. The shell script is supposed to return
the partition host-name (see <a href="Partition-Attribute-Host.html#Partition-Attribute-Host">Partition Attribute Host</a>).
</p>



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