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File I/O



Concepts

Basics of File I/O
Choosing a File I/O Format
Using VIs and Functions for Common File I/O Operations
Using Functions for Advanced File I/O Operations
Using Storage VIs
Creating Text and Spreadsheet Files
Creating Binary Files
Creating Datalog Files
Writing Waveforms to Files
Reading Waveforms from Files
Creating Configuration Files
Logging Front Panel Data
Converting Data to and from XML

How-To

Basics of File I/O

Creating a Relative Path
Formatting and Writing Data to a File
Scanning a File for Data
Opening a File Programmatically
Opening a File Programmatically for Reading and Writing
Opening a File for Reading and Writing
Selecting a File through a Dialog Box
Using Symbolic Paths

Choosing a File I/O Format

File I/O with Binary Measurement Files
File I/O with Text-Based Measurement Files
Reading Data Using the Read From Measurement File Express VI
Reading from Binary Files
Reading from Datalog Files
Reading from Spreadsheet Files
Reading from Text Files
Reading Waveform Data from a File Using Storage VIs
Reading Waveform Data from a File Using TDM Streaming Functions
Writing Data Using the Write To Measurement File Express VI
Writing to Binary Files
Writing to Datalog Files
Writing to Spreadsheet Files
Writing to Text Files
Writing Waveform Data to a File Using Storage VIs
Writing Waveform Data to a File Using TDM Streaming Functions

Creating Configuration Files

Using Configuration File VIs

Logging Front Panel Data

Changing the Log-File Binding
Clearing the Log-File Binding
Datalog Type
Deleting a Datalog Record
Enabling Datalogging
Retrieving Data Programmatically
Retrieving Logged Front Panel Data Using a SubVI
Selecting the Default Data Directory
Viewing Logged Data Interactively

Converting Data to and from XML

Converting LabVIEW Data to XML
Converting XML to LabVIEW Data
LabVIEW XML Schema

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