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Class: Msf::Util::Helper
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<div id="content"><h1>Class: Msf::Util::Helper
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<span class="inheritName">Object</span>
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<li>Object</li>
<li class="next">Msf::Util::Helper</li>
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<a href="#which-class_method" title="which (class method)">.<strong>which</strong>(cmd) &#x21d2; Object </a>
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<span class="summary_desc"><div class='inline'>
<p>Cross-platform way of finding an executable in the $PATH.</p>
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<h2>Class Method Details</h2>
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<h3 class="signature first" id="which-class_method">
.<strong>which</strong>(cmd) &#x21d2; <tt>Object</tt>
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<p>Cross-platform way of finding an executable in the $PATH.</p>
<pre class="code ruby"><code class="ruby"><span class='id identifier rubyid_which'>which</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>ruby</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span> <span class='comment'>#=&gt; /usr/bin/ruby
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<pre class="code"><span class="info file"># File 'lib/msf/util/helper.rb', line 9</span>
<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_which'>which</span><span class='lparen'>(</span><span class='id identifier rubyid_cmd'>cmd</span><span class='rparen'>)</span>
<span class='id identifier rubyid_exts'>exts</span> <span class='op'>=</span> <span class='const'>ENV</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>PATHEXT</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span> <span class='op'>?</span> <span class='const'>ENV</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>PATHEXT</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_split'>split</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>;</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span> <span class='op'>:</span> <span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span>
<span class='const'>ENV</span><span class='lbracket'>[</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>PATH</span><span class='tstring_end'>&#39;</span></span><span class='rbracket'>]</span><span class='period'>.</span><span class='id identifier rubyid_split'>split</span><span class='lparen'>(</span><span class='const'>File</span><span class='op'>::</span><span class='const'>PATH_SEPARATOR</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier rubyid_path'>path</span><span class='op'>|</span>
<span class='id identifier rubyid_exts'>exts</span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='lbrace'>{</span> <span class='op'>|</span><span class='id identifier rubyid_ext'>ext</span><span class='op'>|</span>
<span class='id identifier rubyid_exe'>exe</span> <span class='op'>=</span> <span class='const'>File</span><span class='period'>.</span><span class='id identifier rubyid_join'>join</span><span class='lparen'>(</span><span class='id identifier rubyid_path'>path</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_cmd'>cmd</span><span class='embexpr_end'>}</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_ext'>ext</span><span class='embexpr_end'>}</span><span class='tstring_end'>&quot;</span></span><span class='rparen'>)</span>
<span class='kw'>return</span> <span class='id identifier rubyid_exe'>exe</span> <span class='kw'>if</span> <span class='const'>File</span><span class='period'>.</span><span class='id identifier rubyid_executable?'>executable?</span><span class='lparen'>(</span><span class='id identifier rubyid_exe'>exe</span><span class='rparen'>)</span> <span class='op'>&amp;&amp;</span> <span class='op'>!</span><span class='const'>File</span><span class='period'>.</span><span class='id identifier rubyid_directory?'>directory?</span><span class='lparen'>(</span><span class='id identifier rubyid_exe'>exe</span><span class='rparen'>)</span>
<span class='rbrace'>}</span>
<span class='kw'>end</span>
<span class='kw'>return</span> <span class='kw'>nil</span>
<span class='kw'>end</span></pre>
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Generated on Fri May 8 17:03:15 2026 by
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0.9.37 (ruby-3.1.5).
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