Functions and CALL Routines under OpenVMS

SAS Functions under OpenVMS

A SAS function returns a value from a computation or system operation. Most functions use arguments that are supplied by the user as input.

Most SAS functions are completely described in SAS Language Reference: Dictionary. The functions that are described here have syntax or behavior that is specific to the OpenVMS operating environment.

Using Terminal-Access Functions

In the following sections, a category is listed immediately following the name and short description of each function. Most of these categories are self-explanatory. For terminal-access functions, which enable you to get information from and write information to the terminal, please observe the following caution:

CAUTION:: Do not use the terminal-access functions in the windowing environment.
Terminal-access functions work in the windowing environment, but they can either overwrite the monitor or be overwritten by the monitor. (The REFRESH (CTRL-R) command can be used to restore your monitor.) For details about the REFRESH command, see the Base SAS section in the online SAS Help and Documentation.

Under OpenVMS, the following SAS functions are terminal-access functions:

SETTERM

TERMIN

TERMOUT

TTCLOSE

TTCONTRL

TTOPEN

TTREAD

TTWRITE

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