RPG Built In Functions

RPG IV Concepts As of V5R2 IC2924 at the IBM iSeries Information Center

Note	Function	Description	Type
	%ABS	Absolute Value of Expression	Evaluate
	%ADDR	Get Address of Variable	Pointer
	%ALLOC	Allocate Storage	Memory
	%BITAND	Bitwise AND Operation	Binary
	%BITNOT	Invert Bits	Binary
	%BITOR	Bitwise OR Operation	Binary
	%BITXOR	Bitwise Exclusive-OR Operation	Binary
•	%BITxxx examples	Bit Operations	Binary
	%CHAR	Convert to Character Data	Format
	%CHECK	Check Characters	Flag
	%CHECKR	Check Reverse	Flag
	%DATE	Convert to Date	Date
	%DAYS	Number of Days	Date
	%DEC	Convert to Packed Decimal Format	Format
•	%DECH	Convert to Packed Decimal Format with Half Adjust	Format
	%DECPOS	Get Number of Decimal Positions	Numeric
	%DIFF	Difference Between Two Date, Time, or Timestamp Values	Date
	%DIV	Return Integer Portion of Quotient	Evaluate
	%EDITC	Edit Value Using an Editcode	Format
	%EDITFLT	Convert to Float External Representation	Format
	%EDITW	Edit Value Using an Editword	Format
	%ELEM	Get Number of Elements	Tally
	%EOF	Return End or Beginning of File Condition	Pointer
	%EQUAL	Return Exact Match Condition	Flag
	%ERROR	Return Error Condition	Flag
	%FIELDS	Fields to update	Flag
	%FLOAT	Convert to Floating Format	Format
	%FOUND	Return Found Condition	Flag
	%GRAPH	Convert to Graphic Value	Format
	%HOURS	Number of Hours	Time
	%INT	Convert to Integer Format	Format
•	%INTH	Convert to Integer Format with Half Adjust	Format
	%KDS	Search Arguments in Data Structure	Search
	%LEN	Get or Set Length	Evaluate
•	%LEN	Used for its Value	Evaluate
•	%LEN	Used to Set the Length of Variable-Length Fields	Evaluate
	%LOOKUPxx	Look Up an Array Element	Search
	%MINUTES	Number of Minutes	Time
	%MONTHS	Number of Months	Date
	%MSECONDS	Number of Microseconds	Time
	%NULLIND	Query or Set Null Indicator	Flag
	%OCCUR	Set/Get Occurrence of a Data Structure	Pointer
	%OPEN	Return File Open Condition	Flag
	%PADDR	Get Procedure Address	Pointer
•	%PADDR	Used with a Prototype	Pointer
	%PARMS	Return Number of Parameters	Numeric
	%REALLOC	Reallocate Storage	Memory
	%REM	Return Integer Remainder	Evaluate
	%REPLACE	Replace Character String	String
	%SCAN	Scan for Characters	Search
	%SECONDS	Number of Seconds	Time
	%SHTDN	Shut Down	"*LR"
	%SIZE	Get Size in Bytes	String
	%SQRT	Square Root of Expression	Evaluate
	%STATUS	Return File or Program Status	Flag
	%STR	Get or Store Null-Terminated String	String
•	%STR	Used to Get Null-Terminated String	String
•	%STR	Used to Store Null-Terminated String	String
	%SUBDT	Extract a Portion of a Date, Time, or Timestamp	Date
?	%SUBARR	Move contiguous array elements to contiguous elements of another array	Array
	%SUBST	Get Substring	String
•	%SUBST	Used for its Value	String
•	%SUBST	Used as the Result of an Assignment	String
	%THIS	Return Class Instance for Native Method	Memory
	%TIME	Convert to Time	Time
	%TIMESTAMP	Convert to Timestamp	Date
	%TLOOKUPxx	Look Up a Table Element	Search
	%TRIM	Trim Blanks at Edges	String
	%TRIML	Trim Leading Blanks	String
	%TRIMR	Trim Trailing Blanks	String
	%UCS2	Convert to UCS-2 Value	Format
	%UNS	Convert to Unsigned Format	Format
•	%UNSH	Convert to Unsigned Format with Half Adjust	Format
	%XFOOT	Sum Array Expression Elements	Evaluate
	%XLATE	Translate	String
	%YEARS	Number of Years	Date

As of V7R2:

Note	Function	Description	Type
	%DATA	Parameter for DATA-INTO	HTTP
	%HANDLER	Parameter for XML-INTO or XML-SAX	HTTP
	%MAX	Maximum Value	Evaluate
	%MIN	Minimum Value	Evaluate
	%PARMNUM	Return Name of Current Procedure	Evaluate
	%PARSER	Parameter for DATA-INTO	HTTP
	%PROC	Return Name of Current Procedure	String
	%SCANRPL	Scan and Replace Characters	String
	%XML	Parameter for XML-INTO or XML-SAX	HTTP

As of V7R3:

Note	Function	Description	Type
	%SCANR	Scan Reverse for Characters	String