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  <title>msgmerge (GetText)</title>
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  <pre><span class="ruby-comment cmt"># File lib/gettext/utils.rb, line 37</span>
  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">msgmerge</span>(<span class="ruby-identifier">defpo</span>, <span class="ruby-identifier">refpo</span>, <span class="ruby-identifier">app_version</span>) 
    <span class="ruby-identifier">$stderr</span>.<span class="ruby-identifier">puts</span> <span class="ruby-identifier">defpo</span>
    <span class="ruby-identifier">cmd</span> = <span class="ruby-constant">ENV</span>[<span class="ruby-value str">&quot;MSGMERGE_PATH&quot;</span>]
    <span class="ruby-identifier">cmd</span> <span class="ruby-operator">||=</span> <span class="ruby-value str">&quot;msgmerge&quot;</span>

    <span class="ruby-identifier">cont</span> = <span class="ruby-value str">&quot;&quot;</span>
    <span class="ruby-keyword kw">if</span> <span class="ruby-constant">FileTest</span>.<span class="ruby-identifier">exist?</span> <span class="ruby-identifier">defpo</span>
      <span class="ruby-identifier">cont</span> = <span class="ruby-node">`#{cmd} #{defpo} #{refpo}`</span>
    <span class="ruby-keyword kw">else</span>
      <span class="ruby-constant">File</span>.<span class="ruby-identifier">open</span>(<span class="ruby-identifier">refpo</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">io</span><span class="ruby-operator">|</span> 
        <span class="ruby-identifier">cont</span> = <span class="ruby-identifier">io</span>.<span class="ruby-identifier">read</span>
      <span class="ruby-keyword kw">end</span>
    <span class="ruby-keyword kw">end</span>
    <span class="ruby-identifier">cont</span>.<span class="ruby-identifier">sub!</span>(<span class="ruby-regexp re">/(Project-Id-Version\:).*$/</span>, <span class="ruby-node">&quot;\\1 #{app_version}\\n\&quot;&quot;</span>)
    <span class="ruby-constant">File</span>.<span class="ruby-identifier">open</span>(<span class="ruby-identifier">defpo</span>, <span class="ruby-value str">&quot;w&quot;</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">out</span><span class="ruby-operator">|</span> 
      <span class="ruby-identifier">out</span>.<span class="ruby-identifier">write</span>(<span class="ruby-identifier">cont</span>)
    <span class="ruby-keyword kw">end</span>
    <span class="ruby-keyword kw">self</span>
  <span class="ruby-keyword kw">end</span></pre>
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