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---
title: "wsdiff"
external_links:
- name: Sources
url: "https://git.jaseg.de/wsdiff.git"
- name: Issues
url: "https://github.com/jaseg/wsdiff/issues"
- name: PyPI
url: "https://pypi.org/project/wsdiff"
summary: >
wsdiff is a command-line utility that produces self-contained, syntax-highlighted, HTML-formatted diffs that support
both unified and side-by-side diffs from a single source file using nothing but CSS magic.
---
wsdiff is a python script that produces a diff of two files or directories as a single, self-contained HTML file. The
resulting diff works without Javascript and will automatically switch between inline and side-by-side formats depending
on available screen space.
Installation
============
.. code:: sh
$ pip install wsdiff
Usage
=====
::
usage: wsdiff [-h] [-b] [-s SYNTAX_CSS] [-l LEXER] [-L] [-t PAGETITLE]
[-o OUTPUT] [--header] [--content]
[old] [new]
Given two source files or directories this application creates an html page
that highlights the differences between the two.
positional arguments:
old source file or directory to compare ("before" file)
new source file or directory to compare ("after" file)
options:
-h, --help show this help message and exit
-b, --open Open output file in a browser
-s SYNTAX_CSS, --syntax-css SYNTAX_CSS
Path to custom Pygments CSS file for code syntax
highlighting
-l LEXER, --lexer LEXER
Manually select pygments lexer (default: guess from
filename, use -L to list available lexers.)
-L, --list-lexers List available lexers for -l/--lexer
-t PAGETITLE, --pagetitle PAGETITLE
Override page title of output HTML file
-o OUTPUT, --output OUTPUT
Name of output file (default: stdout)
--header Only output HTML header with stylesheets and stuff,
and no diff
--content Only output HTML content, without header
Example Output
==============
.. image:: latest.png
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