Top Level Namespace

Defined Under Namespace

Modules: HamlHelpers, JSON, Machinery, Rack Classes: MachineryHelper, NilClass, Object, Server, TeeIO

Instance Method Summary collapse

Instance Method Details

#number_to_human_size(s) ⇒ Object

Copyright © 2013-2016 SUSE LLC

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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

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# File 'lib/renderer_helper.rb', line 18

def number_to_human_size(s)
  unit = %W(B KiB MiB GiB TiB)
  i = s.to_i

  exp = i != 0 ? Math.log(i, 1024).floor : 0
  value = (i / 1024.0 ** exp).round(1)

  "#{"%g" % value} #{unit[exp]}"
end

#with_c_locale(&block) ⇒ Object 



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# File 'lib/helper.rb', line 58

def with_c_locale(&block)
  with_env "LC_ALL" => "C", &block
end

#with_env(env) ⇒ Object 



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# File 'lib/helper.rb', line 62

def with_env(env)
  # ENV isn't a Hash, but a weird Hash-like object. Calling #to_hash on it
  # will copy its items into a newly created Hash instance. This approach
  # ensures that any modifications of ENV won't affect the stored value.
  saved_env = ENV.to_hash
  begin
    ENV.replace(saved_env.merge(env))
    yield
  ensure
    ENV.replace(saved_env)
  end
end