brok

Finds broken links in text files https://github.com/smallhadroncollider/brok#readme

Latest on Hackage:0.1.6.0

This package is not currently in any snapshots. If you're interested in using it, we recommend adding it to Stackage Nightly. Doing so will make builds more reliable, and allow stackage.org to host generated Haddocks.

BSD-3-Clause licensed by Small Hadron Collider

brök

Find broken links in text documents

Demo

Similar idea to awesome_bot, but with different output options.

Currently only supports http:// and https:// prefixed URLs

Install

Binaries for Mac and Linux are available. Add the binary to a directory in your path (such as /usr/local/bin).

Cabal

If you have cabal installed:

cabal install brok

Make sure you run cabal update if you haven’t run it recently.

Building

Requirements: Stack

The following command will build brök and then install it in ~/.local/bin:

stack build && stack install

Usage

Basic Usage

Check all links in a single text file:

brok test.md

Or in multiple files:

brok test.md links.tex

If you’re using this as part of a test suite, you probably only need the errors:

brok text.md links.tex > /dev/null

Options

Cache

By default brök will cache successes for a day in a .brokdb file. It will always recheck errors.

If you want to adjust the cache length, you can enter the number of seconds after which the cache invalidates:

# cache for a week
brok --cache 604800 test.md links.tex

If you want to avoid creating the .brokdb file or ignore the cache entirely you can use the --no-cache option:

# do not cache results
# and don't use previously generated cache
brok --no-cache test.md links.tex

Ignore URLs

You can tell brök to ignore URLs with specified prefixes:

# ignore facebook and amazon URLS
brok --ignore "http://facebook.com" "http://amazon.com" test.md links.tex

Interval

By default brök waits for 100ms between URL checks. You can change the delay:

# wait for 1 second between checks
brok --interval 1000 test.md links.tex

Only Show Failures

If you want to see what’s going on, but you’re not interested in successes, then you can use the --only-failures option:

# see what's going on, but only show failures
brok --only-failures test.md links.tex

If you’re using brök as part of a script then you should redirect stdout.

Git Pre-Commit Hook

If you want to check all the links in your Git repo are valid before being able to commit then add something like the following to .git/hooks/pre-commit.

bash

#! /bin/bash

# cache for 1 week
# use find to check all *.md files
# only show errors (if there are any)
brok --cache 604800 $(find . -type f -name "*.md") > /dev/null

zsh

#! /bin/zsh

# cache for 1 week
# using a zsh glob to check all *.md files
# only show errors (if there are any)
brok --cache 604800 */**/*.md > /dev/null
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