7.6

Table Of Contents

Arguments

string1

String value to be removed from string2.

string2

String value to change.

Code Sample Example

This example strips all dollar signs from a variable.

Example

define(&data,string,'$11.95')

show(strip('$',&data))

Sub (function)

Subtracts one expression from another. This is the functional equivalent of the - operator.

Syntax

sub( expression, expression2 ) integer, measure, currency value

Arguments

expression1, expression2

Integer, measure or currency values. Both expressions must be the same type. The returned value is set according to the type

of the parameters.

Code Sample Example

Example 1 and Example 2 illustrates both ways of subtracting numbers.

Example 1

show(inttostr(2-2))

Example 2

show(floattostr(sub(4.7,2.1)))