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THE XML REVOLUTION - TECHNOLOGIES FOR THE FUTURE WEB
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XPath examples
The following XPath expressions point to sets of nodes in the recipe collection:
"The amounts of flour being used":
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//ingredient[@name="flour"]/@amount
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4
0.5
3
0.25
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"The ingredients of which half a cup are used":
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//ingredient[@amount='0.5' and @unit='cup']/@name
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grated Parmesan cheese
shredded mozzarella cheese
shortening
flour
orange juice
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"The second step in preparing stock for Cailles en Sarcophages":
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//ingredient[@name="stock"]/preparation/step[position()=2]/text()
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When the liquid is relatively clear, add the carrots, celery, whole onion,
bay leaf, parsley, peppercorns and salt. Reduce the heat, cover and let
simmer at least 2 hours to make a hearty stock.
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COPYRIGHT © 2000-2003
ANDERS MØLLER & MICHAEL I. SCHWARTZBACH
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