7.5

Table Of Contents

Left (function)

Extracts the specified leftmost characters of a string.

Syntax

left( string, number ) string value

Arguments

string

String value from which to extract characters.

number

Integer value specifying how many characters to extract from the beginning of the string.

Code Sample Example

This example prints a string up to a certain position.

Example

define(&data,string,'This is a~sample string')

%Define string

define(&x,integer, pos('~', &data))

%Find tilde

%Print the string up to the tilde character, if found

if(&x>1)

show(left(&data,&x-1))

endif()

Length (function)

Returns the length of a string, or the number of elements in an array.

Syntax

length( element ) integer value

Argument

element

Either a string value, or an array variable.

Code Sample Example

Example 1

This example creates an a string array with the same number of elements as the &parts array.