HP-UX AAA Server A.07.01 Administrator's Guide

If <before-last> is specified, the substring starts from the beginning of the string up to
but not including the last occurrence of <before-string>.
NOTE: If <before> or <before-string> is not found, the entire string is returned.
Example 25-4 Examples Illustrating the Use of the before Keyword
If Reply-Message = “a string of characters”, then:
Example 1
substr ( Reply-Message before " of" )
returns the following string:
a string
Example 2
substr ( Reply-Message before last " " )
returns the following string:
a string of
Example 3
substr ( Reply-Message before "not-there" )
returns the entire string.
NOTE: If <attr-spec> refers to an instance that is not present, then a no-such-instance
run-time error is generated.
The after Keyword
Syntax
substr (<attr-spec> after “<after-string>”)
substr (<attr-spec> after last "<after-string>")
Parameters
Following are the parameters for the after keyword:
• <attr-spec>: The <attr-spec> parameter is an attribute specification. For more
information on specifying attributes, see “Attribute Specifications” (page 293).
• <after-string>: Must be a quoted string constant.
Operation
Returns the requested substring with same type as the source.
If <after> is specified, the substring starts after the first occurrence of <after-string>.
If <after-last> is specified, the substring starts after the last occurrence of <after-string>.
Defining a Policy in a Decision File 299