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Contents
# encoding: UTF-8
#
# Copyright (c) 2010-2017 GoodData Corporation. All rights reserved.
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
require 'csv'
module GoodData
module Helpers
class Csv
class << self
# Read data from CSV
#
# @param [Hash] opts
# @option opts [String] :path File to read data from
# @option opts [Boolean] :header File to read data from
# @return Array of rows with loaded data
def read(opts)
path = opts[:path]
res = []
line = 0
CSV.foreach(path) do |row|
line += 1
next if opts[:header] && line == 1
if block_given?
data = yield row
else
data = row
end
res << data if data
end
res
end
# Write data to CSV
# @option opts [String] :path File to write data to
# @option opts [Array] :data Mandatory array of data to write
# @option opts [String] :header Optional Header row
def write(opts, &_block)
path = opts[:path]
header = opts[:header]
data = opts[:data]
CSV.open(path, 'w') do |csv|
csv << header unless header.nil?
data.each do |entry|
res = yield entry
csv << res if res
end
end
end
end
end
end
end
Version data entries
41 entries across 41 versions & 1 rubygems