Write a message to the screen, and suspend the program
until the user hits any key on the keyboard. This is often useful to put
in macros or load()ed files that will perform multiple plotting
Input Program Variables
&screen_echo, which determines
whether messages are sent to the screen, and &pause_ignore,
which sets whether or not to ignore all pause() commands, will
influence the operation of this command.
pause() takes one argument - a string that
is printed to the screen to prompt the user to `hit any key'. The
default string is `- hit any key to continue - '.
Output Program Variables
In order for the pause() command to actually be
executed, &screen_echo must be 1 and &pause_ignore must
be 0. Thus, setting &pause_ignore to 1 will suppress the
command, which may be useful for batch processing or scripts.