topics/list_topics.rb
require "csv"
def read_topic_file(file)
topics = {}
CSV.foreach(file) do |row|
row.each do |col|
lib = nil
row.each do |col|
if !lib
lib = col
next
end
if !col || col.empty?
next
end
topics[col] ||= []
topics[col].push(lib) unless topics[col].include?(lib)
end
end
end
topics
end
def print_topics(topics)
topics.sort.each do |topic, libs|
puts "#{topic} (#{libs.count}): #{libs.sort.join(", ")}"
end
end