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xml canonic — Make XML documents canonical. More information: <https://xmlstar.sourceforge.net/doc/UG/xmlstarlet-u

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandclidocumentsmorexmlcanonicalxml canonicmake

Problem

How to use the xml canonic command: Make XML documents canonical. More information: <https://xmlstar.sourceforge.net/doc/UG/xmlstarlet-ug.html#idm47077139560880>.

Solution

xml canonic — Make XML documents canonical. More information: <https://xmlstar.sourceforge.net/doc/UG/xmlstarlet-ug.html#idm47077139560880>.

Make an XML document canonical, preserving comments:

xml {{[c14n|canonic]}} {{path/to/input.xml|URI}} > {{path/to/output.xml}}

Make an XML document canonical, removing comments:

xml {{[c14n|canonic]}} --without-comments {{path/to/input.xml|URI}} > {{path/to/output.xml}}

Make XML exclusively canonical, using an XPATH from a file, preserving comments:

xml {{[c14n|canonic]}} --exc-with-comments {{path/to/input.xml|URI}} {{path/to/c14n.xpath}}

Display help:

xml {{[c14n|canonic]}} --help

Code Snippets

Make an XML document canonical, preserving comments

xml {{[c14n|canonic]}} {{path/to/input.xml|URI}} > {{path/to/output.xml}}

Make an XML document canonical, removing comments

xml {{[c14n|canonic]}} --without-comments {{path/to/input.xml|URI}} > {{path/to/output.xml}}

Make XML exclusively canonical, using an XPATH from a file, preserving comments

xml {{[c14n|canonic]}} --exc-with-comments {{path/to/input.xml|URI}} {{path/to/c14n.xpath}}

Display help

xml {{[c14n|canonic]}} --help

Context

tldr-pages: common/xml canonic

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