Man page - markdownlint(1)

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MARKDOWNLINT

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLES
AUTHOR
LICENSE
REPORTING BUGS
VERSION

NAME

markdownlint - Markdown lint tool

SYNOPSIS

mdl [ options ] [FILE.md|DIR ...]

DESCRIPTION

markdownlint checks an individual markdown file, or a directory of markdown files against a set of rules for syntax consistency. In its report back to the CLI, the Ruby based implementation reports the line(s) with an issue identified and how to improve it.

OPTIONS

-c, --config FILE

The configuration file to use

-g, --git-recurse

Only process files known to git when given a directory

-i, --[no]-ignore-front-matter

Ignore YAML front matter

-j, --json

JSON output

-l, --list-rules

Don’t process any files, just list enabled rules

-r, --rules RULE1,RULE2

Only process these rules

-u, --rulesets RULESET1,RULESET2

Specify additional ruleset files to load

-S, --sarif

SARIF output

-a, --[no]show-aliases

Show rule aliases instead of rule ID when viewing rules

-w, --[no]warnings

Show kramdown warnings

-d, --skip-default-ruleset

Don’t load the default markdownlint ruleset

-s, --style STYLE

Load the given style

-t, --tags TAG1,TAG2

Only process rules with these tags

-v, --[no-]verbose

Increase verbosity

-h, --help

Show this message

-V, --version

Show version

EXAMPLES

List the objectives of rules MD012, MD022, MD031 and MD032:

mdl -r MD012,MD022,MD031,MD032 -l

Scrutinize file example.md only by rules MD012, MD022, MD031 and MD032:

mdl -r MD012,MD022,MD031,MD032 ./example.md

Scrutinize file example.md by all rules available except MD033 and MD034:

mdl -r ~MD033,~MD034 ./example.md

List all rules associated to the tag indentation :

mdl -t indentation -l

Scrutinize file example.md by all rules without tag indentation :

mdl -t ~indentation ./example.md

By default, markdownlint reports sort the issues by their rule. With GNU coreutils, your shell may resort the output by the corresponding line number of the file:

mdl ./example.md | sort -t ":" -k 2 -n

Recurrent (personalized) check criteria can be saved as a style. Snippet mystyle.rb below showcases the keywords for comments, rules, tags, as well as the general syntax available:

all # initiate with all rules implemented

rule 'MD013', :line_length => 100, :ignore_code_blocks => true
exclude_rule 'MD014'

# tag :blockquote
exclude_tag :indentation

Rules a style file activates can be listed by

mdl -s ./mystyle.rb -l

A personalized local style is applied during a check by markdownlint by

mdl -s ./mystyle.rb ./example.md

AUTHOR

Mark Harrison, Ciro Santilli, Making GitHub Delicious, Brandon High, Matt Jankowski, David Anson, Tobias Bengfort, Loic Nageleisen, Will Fleming, Jean-Christophe Gay, sudodoki, David Rodríguez, Garth Braithwaite, Alexander KÜplinger, Simon Symeonidis, Jakub Wilk, Eitan Adler, David Rodríguez, Phil Dibowitz, David Somers-Harris, copperwalls, John Trammell, Waylan Limberg, Ash, Paul B, Andrew Janke, Adam Strickland, Naomi Reeves, Olle Jonsson, Lauritz Hilsøe, Andrew Janke Roman Kolesnev, Alex Harvey, Tim Smith, Tim Smith, tsuburin, Mikael Kjaer, Caleb Buxton, Mark E. Schill, Waldir Pimenta, Ben van B, Jose Angel Pardillo Vela, androidseb, jtcarnes, Gene Gotimer, Sami Ahmed Siddiqui, Karol Babioch, Eric Knibbe, Alexander Jaust, orviz, Lennart Jern, Benjamin Quorning, Ting Chen, Kai, adamroyjones, Bengt Lßers, JP Hastings-Spital, nbehrnd, iafelix, ColemanTom, Levente Polyak, Gunes Bayir, Mathieu Rul, Markus Lehtonen

LICENSE

MIT

REPORTING BUGS

Report bugs to and suggest improvements on the project page,
https://github.com/markdownlint/markdownlint

VERSION

This is about markdownlint version 0.13.0 (October 2nd, 2023).