where =<file>= contains a print formatting description which has the following syntax:
 
 {code}
-SELECT [BARE | NOTITLE | NOHEADER | NOSUMMARY] [LABEL [SEPARATOR <string>]] [<record-sep>] [FROM AUTOCLUSTER]
+SELECT [BARE | NOTITLE | NOHEADER | NOSUMMARY] [LABEL [SEPARATOR <string>]] [<record-sep>] [UNIQUE | FROM AUTOCLUSTER]
     <expr> [AS <label>] [PRINTF <format-string> | PRINTAS <function-name> | WIDTH [AUTO | [-]<INT>] ] [TRUNCATE] [LEFT | RIGHT] [NOPREFIX] [NOSUFFIX]
     ... repeat the above line as needed...
 [WHERE <constraint-expr>]