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wfo 0.1-2
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  <title>do_diff (WFO)</title>
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  <pre><span class="ruby-comment cmt"># File wfo/main.rb, line 287</span>
  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">do_diff</span>(<span class="ruby-identifier">argv</span>)
    <span class="ruby-identifier">opt</span> = <span class="ruby-constant">OptionParser</span>.<span class="ruby-identifier">new</span>
    <span class="ruby-identifier">opt</span>.<span class="ruby-identifier">banner</span> = <span class="ruby-value str">'Usage: wfo diff [options] [local-filename...]'</span>
    <span class="ruby-identifier">opt_u</span> = <span class="ruby-keyword kw">false</span>; <span class="ruby-identifier">opt</span>.<span class="ruby-identifier">def_option</span>(<span class="ruby-value str">'-u'</span>, <span class="ruby-value str">'update check'</span>) { <span class="ruby-identifier">opt_u</span> = <span class="ruby-keyword kw">true</span> }
    <span class="ruby-identifier">opt</span>.<span class="ruby-identifier">def_option</span>(<span class="ruby-value str">'-h'</span>, <span class="ruby-value str">'help'</span>) { <span class="ruby-identifier">puts</span> <span class="ruby-identifier">opt</span>; <span class="ruby-identifier">exit</span> <span class="ruby-value">0</span> }
    <span class="ruby-identifier">opt</span>.<span class="ruby-identifier">parse!</span>(<span class="ruby-identifier">argv</span>)
    <span class="ruby-constant">WebClient</span>.<span class="ruby-identifier">do</span> {
      <span class="ruby-identifier">ws</span> = <span class="ruby-identifier">argv_to_workareas</span>(<span class="ruby-identifier">argv</span>)
      <span class="ruby-identifier">no_diff</span> = <span class="ruby-keyword kw">true</span>
      <span class="ruby-identifier">ws</span>.<span class="ruby-identifier">each</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">w</span><span class="ruby-operator">|</span>
        <span class="ruby-identifier">local_text</span> = <span class="ruby-identifier">w</span>.<span class="ruby-identifier">local_text</span>
        <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">opt_u</span>
          <span class="ruby-identifier">accessor</span> = <span class="ruby-identifier">w</span>.<span class="ruby-identifier">make_accessor</span>
          <span class="ruby-identifier">other_text</span> = <span class="ruby-identifier">accessor</span>.<span class="ruby-identifier">current_text</span>
          <span class="ruby-identifier">other_label</span> = <span class="ruby-node">&quot;#{w.filename} (remote)&quot;</span>
        <span class="ruby-keyword kw">else</span>
          <span class="ruby-identifier">other_text</span> = <span class="ruby-identifier">w</span>.<span class="ruby-identifier">original_text</span>
          <span class="ruby-identifier">other_label</span> = <span class="ruby-node">&quot;#{w.filename} (original)&quot;</span>
        <span class="ruby-keyword kw">end</span>
        <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">other_text</span> <span class="ruby-operator">!=</span> <span class="ruby-identifier">local_text</span>
          <span class="ruby-identifier">no_diff</span> = <span class="ruby-keyword kw">false</span>
          <span class="ruby-identifier">other_file</span> = <span class="ruby-identifier">tempfile</span>(<span class="ruby-value str">&quot;wfo.other&quot;</span>, <span class="ruby-identifier">other_text</span>)
          <span class="ruby-identifier">local_file</span> = <span class="ruby-identifier">tempfile</span>(<span class="ruby-value str">&quot;wfo.local&quot;</span>, <span class="ruby-identifier">local_text</span>)
          <span class="ruby-identifier">command</span> = [<span class="ruby-value str">'diff'</span>, <span class="ruby-value str">'-u'</span>,
            <span class="ruby-node">&quot;--label=#{other_label}&quot;</span>, <span class="ruby-identifier">other_file</span>.<span class="ruby-identifier">path</span>,
            <span class="ruby-node">&quot;--label=#{w.filename}&quot;</span>, <span class="ruby-identifier">local_file</span>.<span class="ruby-identifier">path</span>]
          <span class="ruby-identifier">system</span>(<span class="ruby-constant">Escape</span>.<span class="ruby-identifier">shell_command</span>(<span class="ruby-identifier">command</span>))
        <span class="ruby-keyword kw">end</span>
      }
      <span class="ruby-identifier">exit</span> <span class="ruby-identifier">no_diff</span>
    }
  <span class="ruby-keyword kw">end</span></pre>
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