Answers.Body: <h3>Use the command-line tool</h3>
  
  <p><a href="https://manual.calibre-ebook.com/generated/en/ebook-convert.html" rel="nofollow noreferrer">[Manual]</a></p>
  
  <p>If you use the command-line tool,
  you can do just this.
  Though you need to make sure the input filename and the output filename differ.</p>
  
  <p>for example</p>
  
  <pre><code>ebook-convert myorig.epub mybetter.epub --heuristic-processing 
  </code></pre>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2018-06-24T20:10:36.290Z
Answers.Text: Note: the correct flag is now `--enable-heuristics`.
Answers.UserDisplayName: Fake Name
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2018-02-01T05:01:39.540Z
Answers.LastActivityDate: 2018-02-01T05:01:39.540Z
Answers.UserDisplayName: Frames Catherine White
Body: <p>During format conversion, Calibre can perform some heuristic processing.
  For example detecting chapters and scenebreaks.</p>
  
  <p>I've notices that a few epubs (especially from Project Gutenberg),
  could really do with that kind of heuristic processing.
  For example their chapters may not all be separated.</p>
  
  <p>Is there a way I can execute the heuristic processing part of conversion without actually doing any conversion?</p>
  
Tags: <calibre><file-format>
Title: Convert epub to epub, to do more heuristic processing
UserDisplayName: Frames Catherine White
ThreadText: # Convert epub to epub, to do more heuristic processing
  
  (Asked by: username_0 on 2018-02-01)
  
  During format conversion, Calibre can perform some heuristic processing.
  For example detecting chapters and scenebreaks.
  
  I've notices that a few epubs (especially from Project Gutenberg),
  could really do with that kind of heuristic processing.
  For example their chapters may not all be separated.
  
  Is there a way I can execute the heuristic processing part of conversion without actually doing any conversion?
  
  **Tags:** calibre, file-format
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_0 on 2018-02-01. Score: 2
  
  Use the command-line tool
  [Manual]
  If you use the command-line tool,
  you can do just this.
  Though you need to make sure the input filename and the output filename differ.
  for example
  ebook-convert myorig.epub mybetter.epub --heuristic-processing
  
  > **Comments:**
  > **username_1**: Note: the correct flag is now `--enable-heuristics`.  
  
  ---
  
  