Availability:built-in
read_history(+Show,
+Help, +Special, +Prompt, -Term, -Bindings)variable_names, but allows for history
substitutions. read_history/6
is used by the top level to read the user's actions. Show is
the command the user should type to show the saved events. Help
is the command to get an overview of the capabilities. Special
is a list of commands that are not saved in the history. Prompt
is the first prompt given. Continuation prompts for more lines are
determined by prompt/2.
A
%w in the prompt is substituted by the event number. See
section 2.7 for available
substitutions.
SWI-Prolog calls read_history/6 as follows:
read_history(h, '!h', [trace], '%w ?- ', Goal, Bindings)