fprintf (MathScript Function) (Windows, Not in Base Package)

LabVIEW 8.5 Help
August 2007

NI Part Number:
371361D-01

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Member of the support class.

Syntax

c = fprintf(format, a)

c = fprintf(fid, format, a)

Formats data as text and writes the text to a file.

Name	Description
fid	Specifies the identifier for the file you want to write. Use the fopen function to open a file and assign it an identifier. fid is an integer. If you do not specify fid, fprintf formats data as text and displays the context of this text.
format	Specifies the format in which to write text to the file. format must use the appropriate format specifier syntax. format is a string.
a	Specifies the data you want to write to the file specified by fid. a is a vector or matrix.

Name	Description
c	Returns the amount of data that LabVIEW writes successfully to the file specified by fid. c is a positive integer.

This function is not supported in the LabVIEW Run-Time Engine. Do not use this function in a stand-alone application or shared library.

t = 0:0.1:pi;
x = sin(t);
fid = fopen('test.dat', 'w');
c = fprintf(fid, '%f\n', x);
fclose(fid);