Convert HathiTrust IDs to GRIN volume IDs

ht_to_grin.rb

#!ruby

grin_ids = { 

    'uc1' => 'UCAL',
    'hvd' => 'Harvard',
    'uva' => 'UVA',
    'mdp' => 'UOM',
    'nnc1' => 'Columbia',
    'uiug' => 'UIUC',
    'pur1' => 'PURD',
    'chi' => 'CHI',
    'wu' => 'Wisc',
    'nyp' => 'NYPL',
    'pst' => 'PSU',
    'ucm' => 'UCM',
    'coo' => 'Cornell',
    'ien' => 'NWU',
    'njp' => 'PRNC',
    'inu' => 'IND',
    'umn' => 'MINN',
    'keio' => 'Keio',
    'osu' => 'OSU',
    'msu' => 'MSU',
    'iau' => 'IOWA'
}


STDIN.each do |line|
    fields = line.strip.split("\t")

    namespace = fields.shift
    id = fields.shift

    next unless grin_ids[namespace]

    grin_id = case id
    	when /^31822\d{9}$/ then 'UCSD'
    	when /^l\d{10}$/, /^31158\d{9}$/ then 'UCLA'
    	when /^32106\d{9}$/ then 'UCSC'
    	when /^31378\d{9}$/ then 'UCSF'
    	when /^31175\d{9}$/ then 'UCD'
    	when /^31210\d{9}$/ then 'UCD'
      when /^[bcd]\d{9}$/ then 'UCBK'
        when /^(a{1,3}|ax|[bcd]|cc)\d{10}$/ then 'SRLF'
	else grin_ids[namespace]
    end


    puts "#{grin_id}:#{id.upcase}   " + fields.join("\t")
end