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ruby-escape 0.2-6
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  <title>shell_single_word (Escape)</title>
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  <pre><span class="ruby-comment cmt"># File escape.rb, line 101</span>
  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">shell_single_word</span>(<span class="ruby-identifier">str</span>)
    <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">str</span>.<span class="ruby-identifier">empty?</span>
      <span class="ruby-constant">ShellEscaped</span>.<span class="ruby-identifier">new_no_dup</span>(<span class="ruby-value str">&quot;''&quot;</span>)
    <span class="ruby-keyword kw">elsif</span> <span class="ruby-regexp re">%r{\A[0-9A-Za-z+,./:=@_-]+\z}</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">str</span>
      <span class="ruby-constant">ShellEscaped</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">str</span>)
    <span class="ruby-keyword kw">else</span>
      <span class="ruby-identifier">result</span> = <span class="ruby-value str">''</span>
      <span class="ruby-identifier">str</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-regexp re">/('+)|[^']+/</span>) {
        <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">$1</span>
          <span class="ruby-identifier">result</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">%q{\'}</span> <span class="ruby-operator">*</span> <span class="ruby-identifier">$1</span>.<span class="ruby-identifier">length</span>
        <span class="ruby-keyword kw">else</span>
          <span class="ruby-identifier">result</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-node">&quot;'#{$&amp;}'&quot;</span>
        <span class="ruby-keyword kw">end</span>
      }
      <span class="ruby-constant">ShellEscaped</span>.<span class="ruby-identifier">new_no_dup</span>(<span class="ruby-identifier">result</span>)
    <span class="ruby-keyword kw">end</span>
  <span class="ruby-keyword kw">end</span></pre>
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