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matlab.io.fits.readCard

Header record of keyword

Syntax

card = readCard(fptr,keyname)

Description

card = readCard(fptr,keyname) returns the entire 80-character header record of the keyword, with any trailing blank characters stripped off.

This function corresponds to the fits_read_card (ffgcrd) function in the CFITSIO library C API.

Examples

import matlab.io.*
fptr = fits.openFile('tst0012.fits');
n = fits.getNumHDUs(fptr);
for j = 1:n
    fits.movAbsHDU(fptr,j);
    card = fits.readCard(fptr,'NAXIS');
    fprintf('HDU %d:  ''%s''\n', j, card);
end
fits.closeFile(fptr);
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