If the file is an XML table, you can open it in LibreOffice Calc through the Data > XML Source menu1. Inside it, you just need to open the XML file, point to the table you're importing on the left column and specify a destination in your sheet in the right text field. Example:

This feature is documented in the Help for LibreOffice Calc and at https://wiki.documentfoundation.org/Development/Calc/XMLSource .

1 Since this is an experimental feature (at least in V 6.1.3.2), it may be unreliable and the menu entry will be greyed out unless experimental features are enabled with ToolsOptionsLibreOfficeAdvancedEnable experimental features.

Answer from Waldir Leoncio on askubuntu.com
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Linux Questions
linuxquestions.org › questions › linux-software-2 › xml-viewer-647460
xml viewer
June 6, 2008 - What can I use to view xml files? Are there any recommended xml applications? I can only seem to view them in their raw text file format. The only
Discussions

sed - how to read xml file in linux - Stack Overflow
I have one xml file as below, I need "en" using some unix command. LANGUAGE en More on stackoverflow.com
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linux - Decent KDE XML viewer? - Stack Overflow
what's your XML viewer of choice from within KDE? Something that formats the XML decently. I've searched around but have not found anything reasonable. More on stackoverflow.com
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text formatting - How do I actually read an XML file in human form that makes sense? - Unix & Linux Stack Exchange
I downloaded a catalog and it is in XML format. How do change it from code to human-readable form, and ideally save it as a plain text file? I've never worked/seen these before; I tried messing with More on unix.stackexchange.com
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August 1, 2014
xml viewer

I'm looking for an xml viewer to be able to read (or convert) an xml document into a normal human readable text document.

Define "convert". Because an XML document is already human-readable. Which begs the question "which conversion?" What output format do you want and what is in the original XML file? Can the original document support the desired output format?

You need to say:

  • What the original XML document contains.

  • What output format you want the XML content to be converted into.

And no, there is no single, simple answer.

More on reddit.com
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10
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July 9, 2018
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Wikihow
wikihow.com › computers and electronics › operating systems › linux › 4 easy ways to run an xml file on linux
4 Easy Ways to Run an XML File on Linux
November 7, 2023 - On most other distributions, you'll need to install it from your package manager. On Ubuntu, Debian, and Linux Mint, use the command sudo apt install xmlstarlet to install the package.
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GitHub
github.com › fralau › xmlshow
GitHub - fralau/xmlshow: Settle for LESS: a fast and super-simple XML viewer for command-line · GitHub
xmlshow is a super-simple XML viewer for the Unix command line, which should provide most everything you could wish, since uses the features of less.
Author   fralau
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Snapcraft
snapcraft.io › install › foxe-wine › ubuntu
Install firstobject XML editor (Wine) on Ubuntu using the Snap Store | Snapcraft
February 3, 2023 - Get the latest version of firstobject XML editor (Wine) for on Ubuntu - Free XML editor
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UbuntuMint
ubuntumint.com › home › linux commandline tips › how to parse or view xml code in linux command line
How to Parse or View XML Code in Linux Command Line
July 24, 2023 - Throughout the tutorial, we will be referencing the sample file as our input file before pretty-printing it on our Linux command line shell environments.
Find elsewhere
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Blogger
mygeekopinions.blogspot.com › 2011 › 09 › excellent-xml-editor-for-ubuntu-xml.html
An Excellent XML Editor for Ubuntu: XML Copy Editor!
In that case if you're looking for a dedicated, fully featured and powerful XML editor that can be used in Ubuntu Linux, then you should try the award winning utility called XML Copy Editor.
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Snapcraft
snapcraft.io › install › libxml2 › ubuntu
Install XML Toolkit from the GNOME Project on Ubuntu using the Snap Store | Snapcraft
April 19, 2019 - Get the latest version of XML Toolkit from the GNOME Project for on Ubuntu - XML C parser and toolkit developed for the Gnome project
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Ubuntu
manpages.ubuntu.com › manpages › trusty › man1 › xml2gv.1.html
Ubuntu Manpage: xml2gv - show your xml files graphically
xml2gv - show your xml files graphically · xml2gv [-T · format] [-o · file] [-h] [-V] script · xml2gv is a tool that allows you to show a xml file as a graph. See · /usr/share/doc/ruby-graphviz/ for more details.
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Qxmledit
qxmledit.org
QXmlEdit - simple XML editor
QXmlEdit is a simple XML editor based on Qt libraries. Its main features are unusual data visualization modes, nice XML manipulation and presentation and it is multi platform. It can split very big XML files into fragments, and compare XML and XSD files.
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Ubuntu
manpages.ubuntu.com › manpages › jammy › man1 › xmlcopyeditor.1.html
Ubuntu Manpage: xmlcopyeditor - fast, free, validating XML editor
It features DTD/XML Schema/RELAX NG validation, XSLT, XPath, pretty-printing, syntax highlighting, folding, tag completion/locking, a spelling/style check and, on Windows, lossless import/export of Microsoft Word documents.
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Ubuntu Manpages
manpages.ubuntu.com › manpages › focal › man1 › xmllint.1.html
Ubuntu Manpage: xmllint - command line XML tool
XML-FILE (or the standard input if the filename provided is - ). It prints various types of output, depending upon the options selected. It is useful for detecting errors both in XML code and in the XML parser itself.
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SourceForge
sourceforge.net › projects › xmltreeeditor
XML Tree Editor download | SourceForge.net
The main goal is providing a simple tool to create/edit XML configuration files for users without knowledge of XML. Built in Free Pascal Lazarus, which allows easy compilation for different target platforms. Currently binary executables were produced and tested on Windows (XP, 7) and Ubuntu Linux (GTK2).
Rating: 5 ​ - ​ 8 votes
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Ubuntu
manpages.ubuntu.com › manpages › jammy › man1 › xsddiagram.1.html
Ubuntu Manpage: xsddiagram - Xml Schema Definition (XSD) diagram viewer
xsddiagram - Xml Schema Definition (XSD) diagram viewer · XSDDiagram.exe [ -o · output.svg] [ -os · EXTENSION] [ -r · RootElement] * [ -e · N] [ -z · N] [ -y] [ -u · USERNAME] [ -p · PASSWORD] [ file.xsd · or · URL] XSD Diagram, version 0.16.0.0 -o FILE specifies the output image.