pause — Pause program


\begin{rail} Pause : 'pause' '(' String ? ')' ; \end{rail}
pause displays Hit return to continue, and then stops execution of an program until the return key is pressed. If the optional string argument is present, it is used instead of the Hit return to continue message. $\Longrightarrow$ This is not an built-in function. This function is normally loaded on start-up from the pause.r file in the standard rlib directory. Use of the -r option, incorrectly setting the RLAB_LIB_DIR environmental variable, or modifying pause.r may make this function unavailable.
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