CLAD File I/O & Data Management Flashcards

Which LabVIEW VI is used to get the size of a file without reading its contents?

Answer: Get File Info

Get File Info returns attributes of a file including its size, creation date, and modification date without reading its data.

What is the purpose of the 'Format Into File' function in LabVIEW?

Answer: Write formatted string data to a file using a format string

Format Into File writes formatted text data to a file using a format string similar to the Format Into String function.

Which LabVIEW function allows you to move the current read/write position within an open file?

Answer: Set File Position

Set File Position moves the read/write marker to a specified byte offset within the open file, enabling random access.

What is a TDMS file in LabVIEW?

Answer: A technical data management streaming file format optimized for measurement data

TDMS (Technical Data Management Streaming) is NI's binary file format designed for high-speed storage of measurement data with metadata support.

In LabVIEW, what does the 'Build Path' function do?

Answer: Combines a base path and a relative path or file name into a single path

Build Path concatenates a directory path with a file name or relative path to produce a complete, valid path.

Which approach is recommended for reading large files in LabVIEW to avoid excessive memory use?

Answer: Use Read File in a loop to read chunks of data

Reading large files in chunks using a loop prevents loading the entire file into memory simultaneously, reducing memory consumption.