The following sections describe the menu functions built into menu that are available for menufile commands, menu commands and choice commands. Table 8-19 describes the built-in functions available.
Table 8-19: Functions
basename return suffix and/or prefix of expression
directory directory exists predicate
eval evaluate System command
file file exists predicate
interrupt set and return interrupt status
length return length of string
match match string from expression
result return string from match function
strleft return left part of string
strlen return length of string
strmid return middle part of string
strright return right part of string
size return size of file
The built-in menu functions listed in Table 8-19 are only available when the built-in menu commands are enabled.