sim*_*ico 3 xpath command-line-interface xmlstarlet exist-db
<?xml version="1.0" encoding="ISO-8859-1"?>
<bookstore>
<book category="COOKING">
<title lang="en">Everyday Italian</title>
<author>Giada De Laurentiis</author>
<year>2005</year>
<price>30.00</price>
</book>
<book category="CHILDREN">
<title lang="en">Harry Potter</title>
<author>J K. Rowling</author>
<year>2005</year>
<price>29.99</price>
</book>
<book category="WEB">
<title lang="en">XQuery Kick Start</title>
<author>James McGovern</author>
<author>Per Bothner</author>
<author>Kurt Cagle</author>
<author>James Linn</author>
<author>Vaidyanathan Nagarajan</author>
<year>2003</year>
<price>49.99</price>
</book>
<book category="WEB">
<title lang="en">Learning XML</title>
<author>Erik T. Ray</author>
<year>2003</year>
<price>39.95</price>
</book>
</bookstore>
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xmlstarlet sel -t -v"// @ category"books.xml
仅返回COOKING.如何获取所有属性命名类别?
奖励问题:我如何评估XML文件的XPath查询,而无需在编辑器或程序中打开它(我想要一个快速工具).问题是将大文件加载到内存会导致编辑器崩溃.不要告诉我eXist是我最好的选择吗?
这是你需要的吗?
xml sel -t -m "//@category" -v "." -o " " books.xml
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或者在每一行分开结果
xml sel -t -m "//@category" -v "." -n books.xml
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更新
你是对的,你的XPath很好,你只需要不同的参数.