Sha256: 0636088eb4f003dbfd08b07747284e1eaaa3d10152ee3dca32f61e033591c9b0
Contents?: true
Size: 841 Bytes
Versions: 41
Compression:
Stored size: 841 Bytes
Contents
# -*- coding: utf-8 -*-
#
# Copyright 2013 whiteleaf. All rights reserved.
#
class ProgressBar
class OverRangeError < StandardError; end
def initialize(max, interval = 1, width = 50, char = "*")
@max = max == 0 ? 1.0 : max.to_f
@interval = interval
@width = width
@char = char
@counter = 0
end
def output(num)
return if $debug
if num > @max
raise OverRangeError, "`#{num}` over `#{@max}(max)`"
end
@counter += 1
return unless @counter % @interval == 0
ratio = calc_ratio(num)
now = (@width * ratio).round
rest = @width - now
STDOUT.print "[" + @char * now + ' ' * rest + "] #{(ratio * 100).round}%\r"
end
def clear
return if $debug
STDOUT.print " " * 79 + "\r"
end
def calc_ratio(num)
num / @max
end
end
Version data entries
41 entries across 41 versions & 1 rubygems