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Mathematica > Notebooks and Documents > Low-Level Notebook Programming > NotebookRead >

BUILT-IN MATHEMATICA SYMBOL

NotebookRead

NotebookRead[notebook]
gives the expression corresponding to the current selection in the specified notebook object.

NotebookRead is the basic way to get into the kernel pieces of notebooks that are being manipulated by the front end.

This creates a document notebook:

This selects the first cell:

This reads the cell and returns its Cell expression:

This creates a document notebook:

Out[1]=

This selects the first cell:

This reads the cell and returns its Cell expression:

Out[3]=

Create a notebook and move the selection to the first "T":

Read the current selection:

Select multiple cells and read the content:

Select and read graphics:

Display the result:

A palette that reads the word at the current selection and makes it uppercase: