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PROGRAM TO DEMONSTRATE SORT VERB:
The file for which a record having 2 fields, viz., Account Number and Name is already available. Sort the file based on the ascending order of the Account Number.
identification division.
program- id.
environment division.
input-output section.
file-control.
select o1- file assign to disk
organization is line sequential.
select s1-file assign to disk
select w- file assign to disk.
data division.
file section.
fd o1- file
label records are standard
value of file- id is "o1.dat".
01 o1-rec.
02 o1-acc-no pic 9(2).
02 o1-name pic x(4).
fd s1-file
value of file- id is "s1.dat".
01 s1-rec.
02 s1-acc-no pic 9(2).
02 s1-name pic x(4).
sd w-file.
01 w-rec.
02 w-acc-no pic 9(2).
02 w-name pic x(4).
procedure division.
p-1.
sort w-file on ascending key w-acc-no using o1-file
giving s1- file.
stop run.
Concept of a two-dimensional table: Concept of a two-dimensional table can be easily extended to tables having three or more dimensions. The Handling of tables up to three dim
FILE STATUS clause: This clause has been involved in the above syntax for completeness. The ORGANIZATION, REVERSE, ACCESS and STATUS clause can be specified in any order.
Example of Special-names: Consider the illustration: Let the SPECIAL-NAMES paragraph be as shown: SPECIAL-NAMES. CHANNEL 1 IS PAGE-TOP. The Channel is related with the t
REWRITE STATEMENT: The REWRITE statement has the format for a relative file as shown below, REWRITE record-name [ FORM identifier ]
ACCEPT STATEMENT: The ACCEPT statement is used to read the low-volume data from the operator's console, several other hardware device or from the operating system. The common
File Activity: The file activity is a measure of the proportion of records processed during an update run. Therefore we define the activity ration as shown below. Activi
Example of Write statement: Illustration: (i) WRITE TRANS-RECORD AFTER ADVANCING 3 LINES. This WRITE statement specified that the TRANS-RECORD is a record name of a fi
NONSTANDARD CLAUSES: The various clauses explained above are as per the ANSI standard. Also, most compilers provide for additional nonstandard clauses to meet the specific nec
Comparison of the Numeric Operand with Nonnumeric Operand: The numeric operand can be compared to the nonnumeric operand subject to the restrictions which are as follows.
Point Location: The position of the decimal point is the other characteristic which can be specified in the case of the numeric data items. If the position is not specified, t
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