Reduce el tamao de la imagenes

Reducirimagenes3.rb

require 'rubygems'
require 'RMagick'

# get the folder containing the original images
folder = ARGV[0]

# reduce by 35% = 35/100
scale_by = 0.35

# Get the images in the folder
# (you may replace JPG for whatever extension you will be processing )

files = Dir.glob("#{folder}/*.JPG") do |f|
 # read the image
 image = Magick::Image.read(f).first

 # scale the images
 puts "resizing #{image.filename}"
 new_image = image.scale(scale_by)
 new_image.write("resized/#{image.filename}")

 # sleep(5)
end