typedef struct {
  char fileroot[20]; # Root of file name, without any ".fit" suffix
  char keyword[9]; # Keyword name
  char value[80]; # Keyword value (as a string)
} OPHDRFIX;


OPHDRFIX sdR-??-00030689 QUALITY 'test'
OPHDRFIX sdR-??-00030687 QUALITY 'test'
OPHDRFIX sdR-??-00030661 QUALITY 'bad'
OPHDRFIX sdR-??-00030697 QUALITY 'bad'
OPHDRFIX sdR-??-00030698 QUALITY 'bad'
OPHDRFIX sdR-??-00030688 QUALITY 'test'
OPHDRFIX sdR-??-00030702 QUALITY 'test'
OPHDRFIX sdR-??-00030690 QUALITY 'test'