RPG IV From A to Z

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D

D-Specifications (Definition Specifications)

Section of an RPG program that defines data items, such as standalone fields, named constants, data structures, prototypes, and proecedure interfaces.

%Date()

Function. Convert to Date.

Usage: %DATE(expression:format)

Datedit

Keyword (H-spec). Date edit (Y edit code).

Usage: DATEDIT(format-and-separator)

Datfmt

Keyword (H-, F-, D-spec). Date format.

Usage: DATFMT(format-and-separator)

%Days()

Function. Convert to Number of Days.

Usage: %DAYS(numeric-expression)

Dealloc

Operation code. Free Storage.

Usage: DEALLOC(en) pointer-name ;

Debug

Keyword (H-spec). Debug options.

Usage: DEBUG(*DUMP *INPUT *XMLSAX)

Usage: DEBUG(*NO|*YES)

%Dec()

Function. Convert to Packed Decimal.

Usage: %DEC(expression:digits:decimals)

Usage: %DEC(date-expression:format)

Decedit

Keyword (H-spec). Decimal notation.

Usage: DECEDIT(*JOBRUN|'value')

%Dech()

Function. Convert to Packed Decimal with Half-Adjust.

Usage: %DECH(expression:digits:decimals)

%Decpos()

Function. Get Number of Decimal Positions.

Usage: %DECPOS(numeric-expression)

Decprec

Keyword (H-spec). Decimal precision.

Usage: DECPREC(30|31)

Define

Operation code. Define Field.

Usage: Obsolete. Use D-specs with Like.

Delete

Operation code. Delete Record.

Usage: DELETE(ehmr) search-arg name ;

Descend

Keyword (D-spec). Array/table in descending collating sequence.

Usage: DESCEND

Devid

Keyword (F-spec). Program device for SPECIAL file.

Usage: DEVID(field-name)

Dftactgrp

Keyword (H-spec). Compile unit to use default activation group.

Usage: DFTACTGRP(*YES|*NO)

Dftname

Keyword (H-spec). Default name for compile unit.

Usage: DFTNAME(name)

%Diff()

Function. Get Difference Between Dates/Times/Timestamps.

Usage: %DIFF(date1:date2:duration)

Dim

Keyword (D-spec). Number of elements in table/array (1-16773104).

Usage: DIM(numeric-constant)

%Div()

Function. Get Integer Portion of Quotient.

Usage: %DIV(dividend:divisor)

Div

Operation code. Divide.

Usage: Obsolete. Use / operator, or %Div.

Do

Operation code. Do.

Usage: Obsolete. Use For.

Dou

Operation code. Do Until.

Usage: DOU(mr) logical-expression ;

Douxx

Operation code. Do Until.

Usage: Obsolete. Use Dou.

Dow

Operation code. Do While.

Usage: DOW(mr) logical-expression ;

Dowxx

Operation code. Do While.

Usage: Obsolete. Use Dow.

Dsply

Operation code. Misplay Message.

Usage: DSPLY(e) message output-queue response ;

Dtaara

Keyword (D-spec). Data area name.

Usage: DTAARA(*VAR:data-area-name)

Dump

Operation code. Dump Program.

Usage: DUMP(a) identifier ;