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C--------------------------------------------------------------------------
subroutine ftmkey(ounit,keywrd,value,comm,status)
C modify an existing simple FITS keyword record with format:
C "KEYWORD = VALUE / COMMENT"
C VALUE is assumed to be 20 characters long
C COMMENT is assumed to be 47 characters long
C
C ounit i fortran output unit number
C keywrd c keyword name ( 8 characters, cols. 1- 8)
C value c keyword value (20 characters, cols. 11-30)
C comm c keyword comment (47 characters, cols. 34-80)
C OUTPUT PARAMETERS:
C status i output error status (0 = ok)
C
C written by Wm Pence, HEASARC/GSFC, June 1991
character*(*) keywrd,value,comm
integer ounit,status
character key*8, val*20, com*47
key=keywrd
val=value
com=comm
C overwrite the preceeding 80 characters to the output buffer:
call ftmodr(ounit,key//'= '//val//' / '//com,status)
end
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