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The Definitive Guide to Power Query (M)

You're reading from  The Definitive Guide to Power Query (M)

Product type Book
Published in Mar 2024
Publisher Packt
ISBN-13 9781835089729
Pages 758 pages
Edition 1st Edition
Languages
Authors (3):
Gregory Deckler Gregory Deckler
Profile icon Gregory Deckler
Rick de Groot Rick de Groot
Profile icon Rick de Groot
Melissa de Korte Melissa de Korte
Profile icon Melissa de Korte
View More author details

Table of Contents (19) Chapters

Preface Introducing M Working with Power Query/M Accessing and Combining Data Understanding Values and Expressions Understanding Data Types Structured Values Conceptualizing M Working with Nested Structures Parameters and Custom Functions Dealing with Dates, Times, and Durations Comparers, Replacers, Combiners, and Splitters Handling Errors and Debugging Iteration and Recursion Troublesome Data Patterns Optimizing Performance Enabling Extensions Other Books You May Enjoy
Index

Investigating binary functions

As we have discussed, File.Contents and Web.Contents serve as core data-accessing functions. One accepts a file path while the other accepts a URI but both return the accessed file or web page as binary data. It stands to reason then that there is an entire group of functions dedicated to processing and handling binary data built into the core M library. These are the functions that start with the word Binary.

In fact, there are over 40 functions in the Binary family. Many of these functions are somewhat esoteric. However, a common use for these functions can be observed in Enter Data queries.

To observe these binary functions in action, create an Enter Data query in the Power Query editor with the following data:

Column1

Column2

One

1

...
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