module Trove::Utils
Public Class Methods
human_size(size)
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TODO improve performance
# File lib/trove/utils.rb, line 4 def self.human_size(size) if size < 2**10 units = "B" elsif size < 2**20 size /= (2**10).to_f units = "KB" elsif size < 2**30 size /= (2**20).to_f units = "MB" else size /= (2**30).to_f units = "GB" end round = size < 9.95 ? 1 : 0 "#{size.round(round)}#{units}" end
progress(stream, filename, current_size, total_size)
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# File lib/trove/utils.rb, line 22 def self.progress(stream, filename, current_size, total_size) return unless stream.tty? width = 50 progress = (100.0 * current_size / total_size).floor completed = (width / 100.0 * progress).round remaining = width - completed stream.print "\r#{filename} [#{"=" * completed}#{" " * remaining}] %3s%% %11s " % [progress, "#{Utils.human_size(current_size)}/#{Utils.human_size(total_size)}"] stream.print "\n" if current_size == total_size end