SWI-Prolog -- append/1

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Documentation
- Reference manual
  - Built-in Predicates
    - Input and output
      - Edinburgh-style I/O
        
        see/1
        
        tell/1
        
        append/1
        
        seeing/1
        
        telling/1
        
        seen/0
        
        told/0
- Packages

Availability:built-in

append(+File)

Similar to tell/1, but positions the file pointer at the end of File rather than truncating an existing file. The pipe construct is not accepted by this predicate.