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|prolog_history.pl -- Per-directory persistent commandline history|
This module implements persistency of the commandline history over Prolog sessions on Prolog installations that are based on the GNU readline library (default for the development version on Unix systems).
The history is stored in the directory
each directory for which it keeps the history, there is file whose name
is the base32 encoding of the directory path.
This file is normally loaded when Prolog is started if
user_input is a
terminal and the system supports history.
false, such that the history is not saved on halt.