matlab.io.fits.deleteKey
Delete key by name
Syntax
deleteKey(fptr,keyname)
Description
deleteKey(fptr,keyname)
deletes a keyword by name. Specify
keyname
as a character vector or string scalar.
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);