Created
September 20, 2012 06:38
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Find four lowest temperature readings across all locations
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| --- | |
| - 10: | |
| time: 2012-09-19 23:06:29.112718 -07:00 | |
| location: location_a | |
| - 8: | |
| time: 2012-09-19 23:06:19.112718 -07:00 | |
| location: location_a | |
| - 7: | |
| time: 2012-09-19 23:06:09.112718 -07:00 | |
| location: location_a | |
| - 6: | |
| time: 2012-09-19 23:05:59.112718 -07:00 | |
| location: location_a | |
| - 11: | |
| time: 2012-09-19 23:05:49.112718 -07:00 | |
| location: location_a | |
| - 14: | |
| time: 2012-09-19 23:06:29.112718 -07:00 | |
| location: location_b | |
| - 8: | |
| time: 2012-09-19 23:06:19.112718 -07:00 | |
| location: location_b | |
| - 11: | |
| time: 2012-09-19 23:06:09.112718 -07:00 | |
| location: location_b | |
| - 8: | |
| time: 2012-09-19 23:05:59.112718 -07:00 | |
| location: location_b | |
| - 11: | |
| time: 2012-09-19 23:05:49.112718 -07:00 | |
| location: location_b |
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| #!/bin/env ruby | |
| require 'yaml' | |
| readings = YAML::load(IO.read('readings.yaml')) | |
| sorted_readings = readings.sort { |a,b| a.keys.first <=> b.keys.first } | |
| puts sorted_readings[0..4].to_yaml |
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