ILE RPG Built-in-functions. %ABS – Absolute Value of Expression. %ADDR – Get Address of Variable. %ALLOC – Allocate Storage. %CHAR – Convert to. In addition, under OS/ V3R2 and V3R7 the %PARMS built-in function was introduced. Since then, several built-in functions have been added to RPG IV. ‘1’ if the most recent file input operation or write to a subfile (for a particular file, if specified) ended in an end-of-file or beginning-of-file condition.
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For the SETLL operation, this function returns ‘1’ if a record is present whose key or relative record number is equal to the search argument. In a Java method, the object instance is referred to by the Java reserved word this.
The start parameter represents the starting position of the substring. When this function is evaluated for its value, it returns the current occurrence number of the specified data structure. Starting position and length may be any numeric value or numeric expression with zero decimal positions. No error will be given at run time if the null terminator is not found within the length specified. If a UCS-2 conversion results in substitution characters, a warning message will be given in the compiler listing if the parameter is a constant.
The first two parameters can have any type but must have the same type. This may be the same as ptr or different. If the length of the right-hand side of the expression is longer than the specified length, the right-hand side value is truncated.
The argument may be a literal, a named constant, a data structure, a data structure subfield, a field, an array or a table name. Following is a rundown of some of the more useful built-in-functions. This function always returns a 4-digit year, even if the date format has a 2-digit year. The length indicates the amount of storage that the pointer points to.
This is the same as the error indicator being set on for the operation. This means that leading zeros are replaced with asterisks in the returned value.
The substring begins at the specified starting position in the string and continues for the length specified. Otherwise, it returns ‘0’. The starting position defaults to the end of the string. The syntax of built-in functions is: The length specified must be between 1 and The sequence the statement will be evaluated is as follows:. If the operands are constants that can fit in 8-byte integer or unsigned fields, constant folding is applied to the built-in function.
The string can be character, graphic, or UCS-2 data. The following example illustrates this difference. The fourth parameter is the starting position for translation. For example, if the string contains the third character in fromevery occurrence of that character is replaced with the third character in to. Sign-up for e-mail notifications Take our weekly poll.
%SCANR (Scan Reverse for Characters)
The function returns a pointer to the allocated storage. This method requires an Object of class Employee. For now just think of a procedure as a kind of hybrid subroutine.
If either operand is an integer numeric value, the result is integer. For date, time, or timestamp data, the second parameter contains the date, time, rpfle timestamp format to which the returned character data is converted.
Otherwise, the result is unsigned numeric. The second parameter must be a non-float numeric value with zero decimal places. When used on the right-hand side of an expression, this function returns the setting of the null indicator for the null-capable field.
AS Training: Built-In Functions in rpgle
If the length parameter is not between 1 andan error will occur. The returned value is varying length if the source string or replacement string are varying length, or if the start position fuctions source length to replace are variables. This function is illustrated in Figure Another useful feature of built-in functions is that they can simplify maintenance of your code when used on the definition specification.
When a character constant is used, this identifies the entry point by name.
The edit word must be a character constant. So if the caller is written in another ILE language, rppgle will need to pass an operational descriptor on the call. For example, the day portion of February 10 is 10 not