FastSort Manual

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Using SORT and SUBSORT DEFINEs

FastSort Manual—429834-003

7-14

Creating and Using the =_SORT_DEFAULTS

DEFINE

Define Name =_SORT_DEFAULTS

CLASS SORT

The following ADD DEFINE command creates the =_SORT_DEFAULTS DEFINE and

sets the SCRATCH, SWAP, and CPU attributes:

ADD DEFINE =_SORT_DEFAULTS, CLASS SORT, &

SCRATCH $disk.scratch.file &

SWAP $disk.swap.file &

CPU 8

You can change the settings of the current attributes of the =_SORT_DEFAULTS

DEFINE using the ALTER DEFINE command. You can then use the INFO DEFINE

command to display the new attribute values.

ALTER DEFINE =_SORT_DEFAULTS, SCRATCH $disk

ALTER DEFINE =_SORT_DEFAULTS, PRI 150

INFO DEFINE =_SORT_DEFAULTS, DETAIL

Define Name =_SORT_DEFAULTS

CLASS SORT

SCRATCH $DISK

PRI 150

To use the =_SORT_DEFAULTS DEFINE with interactive FastSort, you do not need to

specify it the RUN command, as shown in the following example.

> SORT

FastSort - T9620D30 - (31OCT94)

<FROM fruit

<ASC 1:10

<RUN

apple

banana

grape

grapefruit

lemon

orange

pear

watermelon

8 RECORDS 132 MAX RECORD SIZE

00:02 ELAPSED TIME 63 BUFFER PAGES

00:00 I/O WAIT TIME 0 INITIAL RUNS

19 COMPARES 0 MERGE ORDER

0 SCRATCH DISK

0 SCRATCH SEEKS

Errors detected: 0

Warnings detected: 0

In the next example, an invalid disk volume name for the =_SORT_DEFAULTS

DEFINE SCRATCH attribute causes the FastSort error message (A SCRATCH FILE

CANNOT BE OPENED) and file-system error 14 (DEVICE DOES NOT EXIST).

SORT

FastSort - T9620D30 - (31OCT94)