Type Conversion Functions

Name

Purpose

Type of arguments

Return value

Example

boolean

Converts the argument in a boolean value

INTEGER
REAL
CHAR
STRING
EBSVAR

BOOLEAN:

false, if 0, else true
false, if 0.0, else true
false, if ‘\0’, else true
false, if leer, else true
, if EBSVAR valid, not blank and not  0, else false

b:=boolean(1);

char

Converts the argument in a character

INTEGER
REAL
BOOLEAN
STRING

EBSVAR

CHAR:

character according to the ASCII Table
character according to the ASCII Table
‘\0’ if false, ‘\1’ if true
0, if blank, else first character of the string
ASCII character according to the value of EBSVAR

c:=char(65);

integer

Converts the argument in an integer value

BOOLEAN
REAL
CHAR
STRING
EBSVAR

INTEGER:

0 if false, 1 if true
Integer part of the real value
ASCII Index of the character
number as a string
Integer value of the EBSVAR

i:=integer(12.3);

real

Converts the argument in a real number

BOOLEAN
INTEGER
CHAR
STRING
EBSVAR

REAL:

0.0 if false, 1.0 if true
Value as real number
ASCII Index of the character (as real)
Value as a string
real number of the EBSVAR

r:=real(“47.12”);

string

Converts the argument in a text

BOOLEAN
INTEGER
REAL
CHAR
EBSVAR

STRING:

“false” / “true” as string
Integer value as string
real number as string
with the specified characters
Value of the EBSVAR as a string

s:=string(47.12);