os.pathsearch
Searches a collection of paths for a particular file.
p = os.pathsearch("fname", "path1", ...)
Parameters
fname is the name of the file being searched. This is followed by one or more path sets to be searched.
Path sets match the format of the PATH environment variable: a colon-delimited list of paths. On Windows, you may use a semicolon-delimited list if drive letters might be included.
Return Value
The path to the directory which contains the file, if found. Otherwise, nil.
Availability
Premake 4.0 or later.