BaseNameWithoutExt return file name without extension.

e.g.

Copy file(src) to dest.

Exists reports whether the path exists.

IsDir reports whether the path exists and is a directory.

IsExecutable reports whether the path exists and is executable.

IsFile reports whether the path exists and is a file.

IsHiddenFile reports whether the path exists and is included hidden file.

IsReadable reports whether the path exists and is readable.

IsSameFileName return true if src and dest is same name, false if src and dest is not same name.

IsSamePath return true if src and dest is same path, false if src and dest is not same path or error occur.

IsSymlink reports whether the path exists and is a symbolic link.

IsWritable reports whether the path exists and is writable.

IsZero reports whether the path exists and is zero size.

Return file size(Byte).

TopDirName return top directory name from path.

Wark return 1）directory List, 2) file list, 3) error.

Executable : executable bits.

0.

Readable : readable bits.

Unknown : Don't use this bits.

Writable : writable bits.

[Reference] https://www-uxsup.csx.cam.ac.uk/courses/moved.Building/signals.pdf.