_strext

#strext

###Extract a sub-string from a string.

Syntax

substring = strext ( string,offset,length ) ;

Arguments

1. str string

The source string.

2. int offset

The offset in string where the sub-string starts.

3. int length

The length of the substring.

Return Value

str substring

• substring : The extracted substring.

The STATUS variable is set to $ACKNOWLEDGE

Warnings

• %BOUNDS: Invalid offset specified in strext. A null string is returned.

• %BOUNDS: Invalid length specified in strext. A null string is returned.

Exceptions

• %ARGUMENT: Invalid arguments. Usage: substring = strext ( string,offset,length ) ;

Description

• None

Examples

puts "Create an example for the function 'strext'" ;

Related Links

None