SAS Component Language Dictionary

LIBREF

Verifies that a libref has been assigned

Category:

SAS Table and Utility

Syntax

sysrc=LIBREF(libref);

sysrc

contains the return code for the operation:

=0	The operation was successful.
<0	The operation was completed, but a warning or a note was generated.
>0	The operation was not successful.

Type: Numeric

libref

is the libref to be verified.

Type: Character

Verify a libref. If an error or warning occurs, the message is displayed on the application window's message line.

if (libref('sashelp'))
then _msg_=sysmsg();