Initializing help system before first use

# pathsplit

Purpose
Split a path into its components.
Synopsis
`function pathsplit(how:integer,path:text,rem:text):text`
`function pathsplit(how:integer,path:text):text`
Arguments

how | How to split the path:
SYS_DIR | Directory ( i.e. part preceding the last directory separator)
SYS_FNAME | File name ( i.e. part following the last directory separator)
SYS_EXTN | File name extension ( i.e. part following the last dot)
path | The path name to split
rem | Remaining part of the path after the returned value has been removed

Return value
The requested part of the path.
Example
The following function returns the base name of a path (file name without directory and extension):

    function basename(f:text):text
     returned:=pathsplit(SYS_FNAME,f)
     dummy:=pathsplit(SYS_EXTN,returned,returned)
    end-function

Further information
Arguments path and rem can be the same object.
Module
mmsystem
Parent Topic Procedures and functions

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