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Sputnik

by weLaika

Sputnik is a website crawler written in Elixir.

It crawls a website following all internal links and makes a report of all pages' status codes.

With query flags you can pass one ore more css selector to produce pages report about that.

Build

Sputnik can be built with:

mix deps.get
mix escript.build

Usage

Sputnik takes the url to crawl and optional query to perform on the crawled pages:

Options

  • query: valid css selectors, separated by commas, that you want to analyze all over the website
  • connections: max number of concurrent HTTP connections (default is 10)
sputnik [--query <Q> --query <Q1> ...] [--connections <N>] <url>

Examples

running

./sputnik "http://spawnfest.github.io" --query "div" --query "a" --query "h1,h2,h3,h4,h5,h6" --connections 10

produces the following output

#################### Pages ####################
Pages found: 19
status_code 200: 12
status_code 301: 7


#################### Queries ####################
## query `a` ##
327 result(s)
Min 18 result(s) per page
Max 57 result(s) per page
## query `div` ##
347 result(s)
Min 13 result(s) per page
Max 53 result(s) per page
## query `h1,h2,h3,h4,h5,h6` ##
95 result(s)
Min 0 result(s) per page
Max 31 result(s) per page

and it opens the browser with a page like this

Requirements

Documentation can be generated with ExDoc and published on HexDocs. Once published, the docs can be found at https://hexdocs.pm/sputnik.

Testing

To run tests:

$ mix test --cover

To run credo:

$ mix credo

Documentation

To generate the documentation:

$ mix docs && open doc/index.html

Releasing

Bump the version in mix.exs, commit && push, and run mix hex.publish Please read https://hex.pm/docs/publish for help.

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Crawling since 1957

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