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Parse Data

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Description​

ZennoPoster offers a lot of useful tools for analyzing and collecting data. One of them is “*Data Parsing,” which lets you, without any special knowledge, with just a few clicks and a wave of your hand, quickly set up the collection of the data you’re interested in from the current page.

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How do you open the Data Parsing window?​

In the context menu of the browser window: “Parse Data”

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In the context menu of the “Element Tree” → select the “Parse Data” item

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Detailed breakdown of the Data Parsing panel​

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This window is logically divided into two parts:

  1. Quick Search
  2. Advanced Search (with additional settings)

How many are we looking for?​

One object or multiple objects.

What to grab?​

  • Text – the visible representation of an object.
  • Links – data in the form of a universal resource identifier.
  • Images – data as the path to the image (e.g.: https://zennolab.com/wp-content/themes/zenno/img/logo.png).
  • Other – select or specify the HTML tag you’re interested in.
  • Only visible elements – parse only the objects that are currently displayed (visible) on the page.
  • Search in all frames (aka frame) – an independent, nested HTML document, which may contain the data you need, or not.
  • Options – [ 1 ], [ 2 ], [ 3 ], etc. – automatically suggested options based on possible matching conditions.

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+ Additional settings are used for more flexible searching.

  • Data source – the data structure as DOM or HTML (❗→ difference between DOM and Html).
  • Attribute – property of an HTML tag (element, object).
  • Search string – here you can specify a path that indicates exactly which element (or elements) of the web page you want to target, using query languages: *XPath or *CSS Selector.
  • Filter results – filter the found items by condition, but put in the result only what: Contains, Does not contain, Regex (❗→ regular expression).
  • Range – ❗→ condition to select data from an array of objects.

Results​

A window where you can clearly see the preliminary data results for the selected condition.

Add to Project​

Once you’ve chosen all the necessary conditions and checked the result in the preview window, you need to click the Add to project button. Then, in the project workspace, there will appear an action “❗→ Parse Data,” in which you need to specify where to save the data obtained.

Example usage​

Requirement: Collect the addresses of all images from the active page of the current domain (in this example, the official zennolab.com website is used).

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Voilà! Quick and easy… We got the result we needed!