45 lines
1.1 KiB
Crystal
45 lines
1.1 KiB
Crystal
require "xml"
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str = <<-XML
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<inventory title="OmniCorp Store #45x10^3">
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<item upc="123456789" stock="12">
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<name>Invisibility Cream</name>
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<price>14.50</price>
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<description>Makes you invisible</description>
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</item>
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<item upc="445322344" stock="18">
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<name>Levitation Salve</name>
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<price>23.99</price>
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<description>Levitate yourself for up to 3 hours per application</description>
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</item>
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<item upc="485672034" stock="653">
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<name>Blork and Freen Instameal</name>
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<price>4.95</price>
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<description>A tasty meal in a tablet; just add water</description>
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</item>
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<item upc="132957764" stock="44">
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<name>Grob winglets</name>
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<price>3.56</price>
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<description>Tender winglets of Grob. Just add water</description>
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</item>
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</inventory>
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XML
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doc = XML.parse str
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# Retrieve the first "item" element
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first_item = doc.xpath("//item[1]")
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# Perform an action on each "price" element (print it out)
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doc.xpath_nodes("//price/text()").each do |price|
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puts price
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end
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# Get an array of all the "name" elements
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names = doc.xpath_nodes("//name").to_a
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