From: 7stud -- <lists@...>
Date: 2012-12-10T08:27:04+09:00
Subject: Re: Searching a hash by value

results = []

data = [
  {
    "notes_expanded" => "check_maintenance_mode",
    "host_comments" => [],
    "host_icon_image_expanded" => "",
    "checks_enabled" => 1,
    "max_check_attempts" => 3,
    "host" => "service2.home.lan",

  },
  {
    "notes_expanded" => "check_memory ",
    "host_comments" => [],
    "host_icon_image_expanded" => "",
    "checks_enabled" => 1,
    "max_check_attempts" => 3,
    "host" => "service.NOT_THIS_ONE.home.lan",
  },
  {
    "notes_expanded" => "check_maintenance_mode",
    "host_comments" => [],
    "host_icon_image_expanded" => "",
    "checks_enabled" => 1,
    "max_check_attempts" => 3,
    "host" => "service.home.lan",
  },
]

data.each do |hash|
  if hash["notes_expanded"] == "check_maintenance_mode"
    results << hash["host"]
  end
end

p results

--output:--
["service2.home.lan", "service.home.lan"]

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