hpr3394 :: Be an XML star with xmlstarlet
Parse XML from the terminal
Hosted by Klaatu on Thursday 2021-08-05 is flagged as Clean and is released under a CC-BY-SA license.
Tags: xml,data,markup,markdown.
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See the layout of an XML document
$ xmlstarlet elements planets.xml
xml
xml/sol
xml/sol/planet
xml/sol/planet/name
xml/sol/planet/albedo
xml/sol/planet
xml/sol/planet/name
xml/sol/planet/albedo
xml/sol/planet
xml/sol/planet/name
xml/sol/planet/albedo
See content of the planet node
$ xmlstarlet select -t --value-of '/xml/sol/planet' planets.xml
Mercury
0.11
Venus
0.7
Terra
0.39
Get the third instance of the planet node
$ xmlstarlet select -t --value-of '/xml/sol/planet[3]' planets.xml
Terra
0.39
Get only the planets with an albedo greater than 0.25
$ xmlstarlet select -t --value-of '/xml/sol/planet[albedo > 0.25]' planets.xml
Venus
0.7
Terra
0.39
Get only the planets closer to Sol than the third planet
$ xmlstarlet select -t --value-of '/xml/sol/planet[position() < 3]' planets.xml
Mercury
0.11
Venus
0.7
Learn more XPath functions at Mozilla Developer Network.
Download xmlstarlet from xmlstar.sourceforge.net (https://sourceforge.net/projects/xmlstar/).
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