Method not available on this version
This method is only available on newer versions.
The first available version (v2_6_3) is shown here.
door?()
public
No documentation available.
# File lib/bundler/vendor/fileutils/lib/fileutils.rb, line 1188
def door?
s = lstat!
s and (s.mode & 0xF000 == S_IF_DOOR)
end