hxnum command not found

In this troubleshooting guide we learn how to fix hxnum command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

hxnum: command not found

or when using sudo you get the following error message

sudo: hxnum: command not found

Solutions to hxnum: command not found

How To Fix hxnum: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu hxnum is provided by html-xml-utils package.

html-xml-utils is:

HTML-XML-utils provides a number of simple utilities for manipulating and converting HTML and XML files in various ways. The suite consists of the following tools:

asc2xml - convert from UTF-8 to &#nnn; entities xml2asc - convert from &#nnn; entities to UTF-8 hxaddid - add IDs to selected elements hxcite - replace bibliographic references by hyperlinks hxcite-mkbib - expand references and create bibliography hxclean - apply heuristics to correct an HTML file hxcopy - copy an HTML file while preserving relative links hxcount - count elements and attributes in HTML or XML files hxextract - extract selected elements hxincl - expand included HTML or XML files hxindex - create an alphabetically sorted index hxmkbib - create bibliography from a template hxmultitoc - create a table of contents for a set of HTML files hxname2id - move some ID= or NAME= from A elements to their parents hxnormalize - pretty-print an HTML file hxnsxml - convert output of hxxmlns back to normal XML hxnum - number section headings in an HTML file hxpipe - convert XML to a format easier to parse with Perl or AWK hxprintlinks - number links & add table of URLs at end of an HTML file hxprune - remove marked elements from an HTML file hxref - generate cross-references hxselect - extract elements that match a (CSS) selector hxtoc - insert a table of contents in an HTML file hxuncdata - replace CDATA sections by character entities hxunent - replace HTML predefined character entities to UTF-8 hxunpipe - convert output of pipe back to XML format hxunxmlns - replace “global names” by XML Namespace prefixes hxwls - list links in an HTML file hxxmlns - replace XML Namespace prefixes by “global names”

To fix this problem, we can install more using the command below.

sudo apt-get -y install html-xml-utils

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install html-xml-utils.

sudo apt -y install html-xml-utils

Or if you have aptitude installed you can use the following command.

sudo aptitude install html-xml-utils

Summary

In this tutorial we learn how to fix hxnum command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.