<a name="l00112"></a>00112   <span class="keyword">const</span> std::string&amp; filename3 = <span class="stringliteral">"test.3"</span>;
<a name="l00113"></a>00113   <span class="keyword">const</span> std::string&amp; filename4 = <span class="stringliteral">"test.4"</span>;
<a name="l00114"></a>00114   <span class="keyword">const</span> std::string&amp; filename5 = <span class="stringliteral">"test.5"</span>;
<a name="l00115"></a>00115 
<a name="l00116"></a>00116   <span class="keywordflow">try</span>
<a n