store it in a file. For more information, see Chapter 57, “STREAM Procedure,” on page
1769.
Enhanced Base SAS Procedures
The APPEND Procedure
The following enhancements have been made to the APPEND procedure:
•ENCRYPTKEY= option specifies the key value for an AES-encrypted data set. For
more information, see ENCRYPTKEY= on page 494.
•Extended attributes are customized metadata for your SAS files. They are user-
defined characteristics that you associate with a SAS data set or variable. For more
information, see “Extended Attributes” on page 456.
The CONTENTS Procedure
The following enhancements have been made to the CONTENTS procedure:
•ENCRYPTKEY= ...
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