Is the specified directory the root directory?
CREDIT: Jeffrey Schwab
[Source]
# File lib/core/facets/filetest/root.rb, line 9 9: def root?(dir=nil) 10: pth = File.expand_path(dir||Dir.pwd) 11: return true if pth == '/' 12: return true if pth =~ /^(\w:)?\/$/ 13: false 14: end
[Validate]