HTCondorWiki: Experimental Custom Print Formats

 where =<file>= contains a print formatting description which has the following syntax:
 
 {code}
-SELECT [UNIQUE | FROM AUTOCLUSTER] [BARE | NOTITLE | NOHEADER | NOSUMMARY] [LABEL [SEPARATOR <string>]] [<record-sep>]
+SELECT [FROM AUTOCLUSTER | UNIQUE] [BARE | NOTITLE | NOHEADER | NOSUMMARY] [LABEL [SEPARATOR <string>]] [<record-sep>]
     <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>]
@@ -15,6 +15,7 @@
 *: =<string>= is a string, delimited by either space, ' or "
 *: =<record-sep>= is one or more of =RECORDPREFIX <string>, RECORDSUFFIX <string>, FIELDPREFIX <string>, or FIELDSUFFIX <string>=
 *: =FROM AUTOCLUSTER= can be used with condor_q to query the schedd's default autocluster set. (requires version 8.3.6 or later)
+*: =UNIQUE= can be used with condor_q to ask the schedd to count unique values. this is like building a FROM AUTOCLUSTER set on the fly. (requires version 8.5.1 or later)
 *: =<expr>= is a Classad expression that extends from the start of the line until the first keyword (usually =AS=).
 *: =<label>= is a =<string>= used as a column heading, or as an item label when the =LABEL= keyword is used on the =SELECT= line.
 *: =<format-string>= is a printf format specifier