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)