Initializing help system before first use

expandpath

Purpose
Expand a path or file name.
Synopsis
function expandpath(fname:string|text):text
Argument
fname 
File name to be expanded
Return value
An absolute path to the given file name or an empty string in case of failure.
Further information
1. This function expands a path or file name: it replaces all relative references (like "." or "..") and completes the path such that the returned string is an absolute path to the provided file name.
2. Only the "tmp:" IO driver can be expanded: any other driver reference will make the function fail and result in an empty string.
Module
mmsystem

Parent Topic Procedures and functions

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