SWI-Prolog -- open_hook/6

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Predicate open_hook/6

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Documentation
- Reference manual
  - The SWI-Prolog library
    - library(iostream): Utilities to deal with streams
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Availability::- use_module(library(iostream)).

Source

[semidet,multifile]open_hook(+Spec, +Mode, -Stream, -Close, +Options0, -Options)

Open Spec in Mode, producing Stream.

`Close`	is unified to a goal that must be called to undo the side-effects of the action, e.g., typically the term `close(Stream)`
`Options0`	are the options passed to open_any/5
`Options`	are passed to the post processing filters that may be installed by open_any/5.