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matlab.io.fits.deleteKey

Delete key by name

Syntax

deleteKey(fptr,keyname)

Description

deleteKey(fptr,keyname) deletes a keyword by name.

This function corresponds to the fits_delete_key (ffdrec) function in the CFITSIO library C API.

Examples

import matlab.io.*
srcFile = fullfile(matlabroot,'toolbox','matlab','demos','tst0012.fits');
copyfile(srcFile,'myfile.fits');
fileattrib('myfile.fits','+w');
fprintf('Before key deletion...\n');
fitsdisp('myfile.fits','index',1);
fptr = fits.openFile('myfile.fits','readwrite');
fits.deleteKey(fptr,'DATE');
fits.closeFile(fptr);
fprintf('\n\n\nAfter key deletion...\n');
fitsdisp('myfile.fits','index',1);
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