For a given search URL, retrieve the Omeka item IDs for all results.

get_omeka_ids.rb

require 'mechanize'
require 'open-uri'

def get_ids(fname)

# Create Mechanize agent
	
	a = Mechanize.new { |agent|
	agent.follow_meta_refresh = true
	}


# GET Search page
	puts "Getting search page.."
	
# Replace SEARCH URL with the appropriate Omeka search URL
	a.get('SEARCH URL') do |page|
		
		# Open Output File
		f = File.open(fname, "a")

			puts "Getting links."

			# Set up array
			items = []

			
			loop do 

			# Find desired links
				page.links.each do |item|
					hrf = item.attributes['href']
					items << hrf if hrf.match("/items/show/") unless hrf.nil?
					puts "Evaluating #{hrf}..."
				end


			# Get the next page and find desired links
				next_page = page.link_with(:text => ">")
				break unless next_page
				puts "Getting next page.."
				next_page = next_page.click
				page = next_page
			end

			# Remove empty items and duplicate items, print values to file
			puts "---------\nWriting to file.."
				items = items.compact
				items = items.uniq
				items = items.join("\n")
				items = items.gsub("/items/show/", "")
				f.puts items
		f.close
		puts "---------\nDone."
	end
end

# Change the text in quotes for a differently named file
get_ids("omeka_ids.txt")