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Bluemix の Cloudant に ruby で画像ファイルをアップロード

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次のページで行うことと同じことを、ruby で行いました。
Bluemix の Cloudant に python3 で画像ファイルをアップロード

to_cloudant.rb
#! /usr/bin/ruby
# -*- encoding: utf-8 -*-
#
#   to_cloudant.rb
#
#                   Jul/28/2017
#
require 'json'
require 'restclient'
#
# ---------------------------------------------------------------------
puts "*** 開始 ***"
#
url="https://44b508dd-f312-4f91-81f2-78369c7d29d9-bluemix:9dacdfdee142c2a5c16596fc621012e08a61e7132d3b21ecaaf1f63a835fae64@efc189dc-f332-4f91-81f2-72569c7d39d9-bluemix.cloudant.com"
#
#
url_collection = url + '/jpg'
RestClient.delete url_collection
RestClient.put url_collection, '{}'
#
keys=["A0001","A0002"]
#
keys.each {|key|
    puts key
    file_jpg = key + '.jpg'
    url_target  =  url_collection + '/' + key + '/' + file_jpg
    puts url_target
    io = open(file_jpg,"rb")
    image = io.read()   
    RestClient.put url_target, image
    }
#
puts    "*** 終了 ***"
#
# --------------------------------------------------------------------------
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