Sha256: f0b43a984177a49654b76c97777ac5abec9590ca20f470b8d4dc6194720e64a5
Contents?: true
Size: 803 Bytes
Versions: 36
Compression:
Stored size: 803 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
36 entries across 36 versions & 1 rubygems