gistfile1.txt

#!/usr/bin/env ruby

# use snmptranslate to lookup OID if there's no comment after an existing numeric OID

def translate_oid(oid)
  @cache ||= {}
  @cache[oid] ||= `snmptranslate -Os -mALL #{oid}`
end

file = 'generator.yml.j2'

File.open(file).each do |l|
  if l =~ /^(\s+)([\d\.]+),*$/
    print "#{$1}#{$2}, # #{translate_oid $2}"
  else
    print l
  end
end