matlab.io.Datastore.progress - Determine how much data has been read - MATLAB (original) (raw)

Main Content

Class: matlab.io.Datastore
Namespace: matlab.io

Determine how much data has been read

Description

[p](#d126e354124) = progress([ds](#d126e354090)) returns the percentage of the data that you have read from the matlab.io.Datastore object specified by ds. Thep output is a number between 0 and1. A return value of 0.55 means you have read 55% of the data.

Input Arguments

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`ds` — Input datastore

matlab.io.Datastore object

Input datastore, specified as a matlab.io.Datastore object. To create a Datastore object, see matlab.io.Datastore.

Output Arguments

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`p` — Percentage of data

scalar double

Percentage of data that you have read from the datastore, returned as a scalar double.

Data Types: double

Attributes

Abstract	true
Access	public
Hidden	false
Sealed	false
Static	false

To learn about attributes of methods, seeMethod Attributes.

Tips

You must implement the progress method by deriving a subclass from the matlab.io.Datastore class. For more information, see Develop Custom Datastore.

Version History

Introduced in R2017b