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Crawlgo Go CircleCI Coverage Status Go Report Card

Crawlgo is a crawler written in golang, it aims to be an extensible, scalable and high-performance distributed crawler system.

Using phantomjs, crawlgo can crawl web pages rendered with javascript.

Prerequisite

  • Linux OS
  • phantomjs: phantomjs should be able to run through the env PATH. It can be downloaded here.

Install

go get github.com/tossmilestone/crawlgo
cd ${GOPATH}/src/github.com/tossmilestone/crawlgo
sudo make install

The above commands will install crawlgo in ${GOPATH}/go/bin.

Usage

crawlgo [flags]

Flags:
      --download-selector string   The DOM selector to query the links that will be downloaded from the site
      --enable-profile             enable profiling the program to start a pprof HTTP server on localhost:6360
  -h, --help                       help for crawlgo
      --save-dir string            The directory to save downloaded files. (default "./crawlgo")
      --site string                The site to crawl
      --version                    version for crawlgo
      --workers int                The number of workers to run the crawl tasks. If no set, will be 'runtime.NumCPU()'

Crawlgo uses file name to identify the downloaded links. If the file of a link is existed in the save directory, the link will be assumed downloaded already.