START statement

Remarks#

The START statement provides a way to position a read in a file for subsequent sequential retrieval (by key).

The key relational can include (but is not limited to):

• KEY IS GREATER THAN

• KEY IS >

• KEY IS LESS THAN

• KEY IS <

• KEY IS EQUAL TO

• KEY IS =

• KEY IS NOT GREATER THAN

• KEY IS NOT >

• KEY IS NOT LESS THAN

• KEY IS NOT <

• KEY IS NOT EQUAL TO

• KEY IS NOT =

• KEY IS <>

• KEY IS GREATER THAN OR EQUAL TO

• KEY IS >=

• KEY IS LESS THAN OR EQUAL TO

• KEY IS <=

START example

start indexing
   key is less than
       keyfield of indexing-record
   invalid key
       display "bad start: " keyfield of indexing-record
       set no-more-records to true
   not invalid key
       read indexing previous record
           at end set no-more-records to true
       end-read
end-start