57 lines
1013 B
Markdown
57 lines
1013 B
Markdown
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---
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id: expressions
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title: Expressions
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sidebar_label: Expressions
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---
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## Overview
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* Tipbox for regexp basics - link to a good guide
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* Expression Editor
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* Where to find it
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## GREL (General Refine Expression Language)
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* Variables and attributes
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* Syntax and controls
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* String functions
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* Array functions
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* Date functions
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* Project functions
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* Math functions
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_Content from_
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[https://github.com/OpenRefine/OpenRefine/wiki/General-Refine-Expression-Language](https://github.com/OpenRefine/OpenRefine/wiki/General-Refine-Expression-Language)
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[https://github.com/OpenRefine/OpenRefine/wiki/GREL-Functions](https://github.com/OpenRefine/OpenRefine/wiki/GREL-Functions)
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[https://github.com/OpenRefine/OpenRefine/wiki/GREL-Other-Functions](https://github.com/OpenRefine/OpenRefine/wiki/GREL-Other-Functions)
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etc.
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## Jython
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* Python syntax in OpenRefine
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* Installing Python packages
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## Clojure
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* Clojure syntax in OpenRefine
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* Using Java packages from Clojure
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