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xq

Command-line XML and HTML beautifier and content extractor.

Features

• Syntax highlighting
• Automatic indentation and formatting
• Automatic pagination
• Node content extraction

Usage

Format an XML file and highlight the syntax:

xq test/data/xml/unformatted.xml

xq also accepts input through stdin:

curl -s https://www.w3schools.com/xml/note.xml | xq

HTML content can be formatted and highlighted as well (using -m flag):

xq -m test/data/html/formatted.html

It is possible to extract the content using XPath query language. -x parameter accepts XPath expression.

Extract the text content of all nodes with city name:

cat test/data/xml/unformatted.xml | xq -x //city

Extract the value of attribute named status and belonging to user:

cat test/data/xml/unformatted.xml | xq -x /user/@status

See https://en.wikipedia.org/wiki/XPath for details.

It is possible to use CSS selector to extract the content as well:

cat test/data/html/unformatted.html | xq -q "body > p"

Extract an attribute value instead of node content additional option --attr (-a) can be used:

cat test/data/html/unformatted.html | xq -q "head > script" -a "src"

Extract part of HTML with tags (not only text content) using CSS selector:

cat test/data/html/unformatted.html | xq -n -q "head"

Output the result as JSON:

cat test/data/xml/unformatted.xml | xq -j

This will output the result in JSON format, preserving the XML structure. The JSON output will be an object where:

• XML elements become object keys
• Attributes are prefixed with "@"
• Text content is stored under "#text" if the element has attributes or child elements
• Repeated elements are automatically converted to arrays
• Elements with only text content are represented as strings

Installation

The preferable ways to install the utility are described below.

For macOS, via Homebrew:

brew install xq

For macOS, via MacPorts:

sudo port install xq

For Linux using custom installer:

curl -sSL https://bit.ly/install-xq | sudo bash

For Ubuntu 22.10 or higher via package manager:

apt-get install xq

For Fedora via package manager:

dnf install xq

A more detailed list of Linux distros that package the xq utility can be found here: https://repology.org/project/xq-sibprogrammer/versions

If you have Go toolchain installed, you can use the following command to install xq:

go install github.com/sibprogrammer/xq@latest

You can play with the xq utility using the Dockerized environment:

docker-compose run --rm xq
xq /opt/examples/xml/unformatted.xml