method

mkdir_p

Ruby latest stable (v2_5_5) - 1 note - Class: FileUtils

mkdir_p(list, mode: nil, noop: nil, verbose: nil) private

Creates a directory and all its parent directories. For example,

FileUtils.mkdir_p '/usr/local/lib/ruby'

causes to make following directories, if it does not exist.

/usr
/usr/local
/usr/local/lib
/usr/local/lib/ruby

You can pass several directories at a time in a list.

Show source

# File lib/fileutils.rb, line 188
  def mkdir_p(list, mode: nil, noop: nil, verbose: nil)
    list = fu_list(list)
    fu_output_message "mkdir -p #{mode ? ('-m %03o ' % mode) : ''}#{list.join ' '}" if verbose
    return *list if noop

    list.map {|path| remove_trailing_slash(path)}.each do |path|
      # optimize for the most common case
      begin
        fu_mkdir path, mode
        next
      rescue SystemCallError
        next if File.directory?(path)
      end

      stack = []
      until path == stack.last   # dirname("/")=="/", dirname("C:/")=="C:/"
        stack.push path
        path = File.dirname(path)
      end
      stack.pop                 # root directory should exist
      stack.reverse_each do |dir|
        begin
          fu_mkdir dir, mode
        rescue SystemCallError
          raise unless File.directory?(dir)
        end
      end
    end

    return *list
  end

January 22, 2016

0 thanks

Errno::EEXIST

When Errno::EEXIST is raised, it indicates there are permission issues, rather than an existing item.

mkdir_p

Related methods

Errno::EEXIST