root_path
root_path — strips the final file or directory name from a path.
Arguments
- path
A file path name, as a string.
Returns
The portion of the path with the file
name and any trailing directory separators removed.
Description
This function strips the final file or directory name from
the path to produce its parent.
Any trailing directory separators are also removed. If
the path represents the root of the
file system then it is unmodified.
Example
Gamma> x = "/usr/doc/FAQ";
"/usr/doc/FAQ"
Gamma> x = root_path(x);
"/usr/doc"
Gamma> x = root_path(x);
"/usr"
Gamma> x = root_path(x);
"/"
Gamma> x = root_path(x);
"/"
Gamma>
