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# Description Allows specifying multiple attributes to retrieve from the selected nodes. E.g. you may want to select both hrefs and targets from the list of links: ```nushell .... | query web --query a --attribute [href target] ``` # User-Facing Changes `query web --attribute` previously accepted a string. Now it accepts either a string or a list of strings. The shape definition for this flag was relaxed temporarily, until nushell/nushell#13253 is fixed.
Nushell core libraries and plugins
These sub-crates form both the foundation for Nu and a set of plugins which extend Nu with additional functionality.
Foundational libraries are split into two kinds of crates:
- Core crates - those crates that work together to build the Nushell language engine
- Support crates - a set of crates that support the engine with additional features like JSON support, ANSI support, and more.
Plugins are likewise also split into two types:
- Core plugins - plugins that provide part of the default experience of Nu, including access to the system properties, processes, and web-connectivity features.
- Extra plugins - these plugins run a wide range of different capabilities like working with different file types, charting, viewing binary data, and more.