السلام عليكم
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command-line interface

# A simple command-line interface progress bar
# Author: Abdelrahman ghanem <abom.jdev@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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.

# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

class CLIProgressBar
  
  def initialize(pchar="=")
    @pchar=pchar
    $stdout.sync=true #auto flush
  end
  
  def text=(ptext)
    @text=ptext
  end
  
  def min=(pmin=0)
    @min=pmin
  end
  
  def max=(pmax=100)
    @max=pmax
  end
  
  def value=(pvalue)
    #use \r [return] escape sequence
    ratio=((pvalue.to_f/@max)*55).round
    print "\r#{@text} #{ratio+45}% [#{@pchar*ratio}>#{"\s"*(55-ratio)}]"
    print "\n" if pvalue==@max
  end
  
end

طبعاً غير الرقم 55 براحتك
و لكن لا تنسى تغيير  الرقم 45 ب:
100-55 

test:

require 'cliprogress'

pb=CLIProgressBar.new
pb.text="Progress"
pb.max=100000
for i in 1..100000
  pb.value=i
end

screenshot:



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