7.6

Table Of Contents

define(&myVar, string, '')

&myVar := xmlget('/PLANETPRESS_DATA_FILE[1]-

/CUSTOMER[1]/INVOICES[1]/INVOICE[1]/ITEM[1]/Description[1]')

&myVar := xmlget('/MyData/CUSTOMER[1]/INVOICES[1]/INVOICE[1]/ITEM[1]/Description[1]')

% This next line uses the &i variable to dynamically select an item in the invoice. Use-

ful in a repeat & overflow

% configuration, or a manual PlanetPress Talk loop through te data. Note that the var-

iable must be converted to a string.

&myVar := xmlget('-

/MyData/CUSTOMER[1]/INVOICES[1]/INVOICE[1]/ITEM['+inttostr(&i)+']/Description[1]')

Example 2

The following gets the number of items in an invoice, loops through each item and displays the item's description with show().

define(&i, integer, 0)

define(&currentItemDescription, string, '')

define(&numberOfItems, integer, xmlcount('/MyData/CUSTOMER/INVOICES/INVOICE/ITEM'))

for(&i, 1, 1, &numberOfItems)

&currentItemDescription := xmlget('-

/MyData/CUSTOMER/INVOICES/INVOICE/ITEM['+inttostr(&i)+']/Description')

show(&currentItemDescription)

crlf()

endfor()

Boolean

Add (function)

Adds two numerical expressions. This is the functional equivalent to the + operator, when you use the + operator with numer-

ical expressions.

Syntax

add( 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 Examples

Examples 1 and 2 show both ways of adding numbers.

Example 1

show(inttostr(2+2)) %Displays 4