SYSENV

SYSENV

Reports whether SAS is running interactively

Type: Automatic macro variable (read only)

Details

The value of SYSENV is independent of the source of input. Values for SYSENV are

FORE: when the SAS system option TERMINAL is in effect. For example, the value is FORE when you run SAS interactively through a windowing environment.
BACK: when the SAS system option NOTERMINAL is in effect. For example, the value is BACK when you submit a SAS job in batch mode, or when you invoke the SAS System with the name of a file that contains SAS code.

You can use SYSENV to check the execution mode before submitting code that requires interactive processing. To use a %INPUT statement, the value of SYSENV must be FORE. For details, see the SAS documentation for your operating environment.

Operating Environment Information: Some operating environments do not support the submission of jobs in batch mode. In this case the value of SYSENV is always FORE. For details, see the SAS documentation for your operating environment. [cautionend]

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