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README.md

Microdata

Microdata is a package for the Go programming language to extract HTML Microdata from HTML5 documents. It depends on the golang.org/x/net/html HTML5-compliant parser.

HTML Microdata is a markup specification often used in combination with the schema collection to make it easier for search engines to identify and understand content on web pages. One of the most common schema is the rating you see when you google for something. Other schemas are persons, places, events, products, etc.

Installation

Single binaries for Linux, macOS and Windows are available on the release page.

Or build from source:

$ go get -u github.com/namsral/microdata/cmd/microdata

Usage

Parse an URL:

$ microdata https://www.gog.com/game/...
{
  "items": [
    {
      "type": [
        "http://schema.org/Product"
      ],
      "properties": {
        "additionalProperty": [
          {
            "type": [
              "http://schema.org/PropertyValue"
            ],
{
...

Parse HTML from the stdin:

$ cat saved.html |microdata

Format the output with a Go template to return the "price" property:

$ microdata -format '{{with index .Items 0}}{{with index .Properties "offers" 0}}{{with index .Properties "price" 0 }}{{ . }}{{end}}{{end}}{{end}}' https://www.gog.com/game/...
8.99

Features

  • Windows/BSD/Linux supported
  • Format output with Go templates
  • Parse from Stdin

Contribution

Bug reports and feature requests are welcome. Follow GiHub's guide to using-pull-requests

Go Package

package main

import (
	"encoding/json"
	"os"

	"github.com/namsral/microdata"
)

func main() {
	var data microdata.Microdata
	data, _ = microdata.ParseURL("http://example.com/blogposting")
	b, _ := json.MarshalIndent(data, "", "  ")
	os.Stdout.Write(b)
}

For documentation see godoc.org/github.com/namsral/microdata.

About

Parser for HTML microdata, schema.org

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