SAS(R) 9.1.3 Companion for z/OS

338 SORT Procedure Chapter 16
CAUTION:
If you are using a host sort utility to sort your data, then specifying the SORTSEQ= option
might corrupt the character BY variables if the sort sequence translation table and its
inverse are not one-to-one mappings. In other words, for the sort to work the
translation table must map each character to a unique weight, and the inverse table
must map each weight to a unique character variable. R
If your translation tables do not map one-to-one, then you can use one of the
following methods to perform your sort:
3 create a translation table that maps one-to-one. Once you create a translation table
that maps one-to-one, you can easily create a corresponding inverse table using
the TRANTAB procedure. If your table is not mapped one-to-one, then you will
receive the following note in the SAS log when you try to create an inverse table:
NOTE: This table cannot be mapped one to one.
For more information, see “The TRANTAB Procedure” in the Base SAS Procedures
Guide.
3 use the SAS sort. You can specify the SAS sort using the SORTPGM system
option. For more information, see “SORTPGM= System Option” on page 507.
3 specify the collation order options of your host sort utility. See the documentation
for your host sort utility for more information.
3 create a view with a dummy BY variable. For an example, see “Example: Creating
a View with a Dummy BY Variable” on page 338.
Note: After using one of these methods, you might need to perform subsequent BY
processing using either the NOTSORTED option or the NOBYSORTED system option.
For more information on the NOTSORTED option, see “BY Statement” in SAS
Language Reference: Dictionary. For more information on the NOBYSORTED system
option, see “BYSORTED System Option” in SAS Language Reference: Dictionary. R
Example: Creating a View with a Dummy BY Variable The following code is an
example of creating a view using a dummy BY variable:
options sortpgm=host msglevel=i;
data one;
input name $ age;
datalines;
anne 35
ALBERT 10
JUAN 90
janet 5
bridget 23
BRIAN 45
;
data oneview / view=oneview;
set one;
name1=upcase(name);
run;
proc sort data=oneview out=final(drop=name1);
by name1;
run;