liche

go get -u github.com/raviqqe/liche

> liche --help
Link checker for Markdown and HTML

Usage:
	liche [-c <num-requests>] [-d <directory>] [-r] [-t <timeout>] [-x <regex>] [-v] <filenames>...

Options:
	-c, --concurrency <num-requests>  Set max number of concurrent HTTP requests. [default: 512]
	-d, --document-root <directory>  Set document root directory for absolute paths.
	-r, --recursive  Search Markdown and HTML files recursively
	-t, --timeout <timeout>  Set timeout for HTTP requests in seconds. Disabled by default.
	-x, --exclude <regex>  Regex of links to exclude from checking.
	-v, --verbose  Be verbose.

> liche file.md
> liche file1.md file2.md
> liche file.html
> liche file1.html file2.html
> liche -r directory # Search all Markdown and HTML files recursively.