Class: DirectoryCreator

Inherits:
Object
  • Object
show all
Defined in:
lib/directory_creator.rb

Class Method Summary collapse

Class Method Details

.create_directories(files) ⇒ Object 



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# File 'lib/directory_creator.rb', line 55

def self.create_directories(files)

  files.each do |file|
    subdirs = DirectoryCreator.subdirs_for_cmor_file file
    system "mkdir -p '#{File.join subdirs}'"
    cmd = "ln #{file} #{File.join(subdirs, File.basename(file))}"
    puts cmd
    system cmd
  end
end

.subdirs_for_cmor_file(f) ⇒ Object 



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# File 'lib/directory_creator.rb', line 21

def self.subdirs_for_cmor_file(f)
  names = %w(mip_era activity_id institution_id source_id experiment_id sub_experiment_id variant_label table_id variable_id grid_label creation_date)

  ncdump_h_txt = %x(ncdump -h #{f})
  global_attr_txt = ncdump_h_txt.split('// global attributes:').last
  values = {}

  names.each do |n|
    match = /:#{n} = "(?<val>.*?)" ;/.match(global_attr_txt)
    raise "can not find global attribute \"#{n}\"" unless match
    values[n] = match[:val]
  end

  dir_templates = %w(mip_era activity_id institution_id source_id experiment_id member_id table_id variable_id grid_label version)
  dir_names = dir_templates.map do |t|
    if t == "member_id"
      if(values['sub_experiment_id'] == "none")
        values['variant_label']
      else
        "#{values['sub_experiment_id']}-#{values['variant_label']}"
      end
    elsif t == "version"
      (Date.parse values['creation_date']).to_time.strftime "v%Y%m%d"
    elsif t == "activity_id" # an exception for this exists: "If multiple activities are listed in the global attribute, the first one is used in the directory structure."
      values[t].split.first
    else
      values[t]
    end
  end

  dir_names
end