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#!/usr/bin/env ruby
#
# cisa-sizes.rb: get maximum field lengths from compressed cisa
# kev catalog.
#
require 'json'
require 'zlib'
# path to vulnerabilities
PATH = File.join(__dir__, '../cisa/testdata/cisa-kevc-20220313.json.gz')
# read vulns
ROWS = JSON(Zlib::GzipReader.new(File.open(PATH)).read)['vulnerabilities']
# get/print json-encoded maximum field lengths
puts JSON(ROWS.each.with_object(Hash.new { |h, k| h[k] = 0 }) do |row, r|
row.each { |k, v| r[k] = v.size if v.size > r[k] }
end)
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