Name

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SXDELPAR

Purpose

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Procedure to delete a keyword parameter(s) from a FITS header

Calling Sequence

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sxdelpar, h, parname

Inputs

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h - FITS or STSDAS header, string array
parname - string or string array of keyword name(s) to delete

Outputs

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h - updated FITS header, If all lines are deleted from
the header, then h is returned with a value of 0

Example

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Delete the astrometry keywords CDn_n from a FITS header, h
IDL> sxdelpar, h, ['CD1_1','CD1_2','CD2_1','CD2_2']

Notes

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(1) No message is returned if the keyword to be deleted is not found
(2) All appearances of a keyword in the header will be deleted

History

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version 1 D. Lindler Feb. 1987
Test for case where all keywords are deleted W. Landsman Aug 1995
      Allow for headers with more than 32767 lines W. Landsman Jan. 2003
      Use ARRAY_EQUAL, cleaner syntax W. L. July 2009