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FXPARPOS

FXPARPOS

Name


FXPARPOS()

Purpose


Finds position to insert record into FITS header.

Explanation


Finds the position to insert a record into a FITS header. Called from
FXADDPAR.

Use


Result = FXPARPOS(KEYWRD, IEND [, BEFORE=BEFORE ] [, AFTER=AFTER ])

Inputs


KEYWRD = Array of eight-character keywords in header.
IEND = Position of END keyword.
  Opt. Inputs :
None.

Outputs


Result of function is position to insert record.
  Opt. Outputs:
None.

Keywords


BEFORE = Keyword string name. The parameter will be placed before the
location of this keyword. For example, if BEFORE='HISTORY'
then the parameter will be placed before the first history
location. This applies only when adding a new keyword;
keywords already in the header are kept in the same position.
AFTER = Same as BEFORE, but the parameter will be placed after the
location of this keyword. This keyword takes precedence over
BEFORE.
If neither BEFORE or AFTER keywords are passed, then IEND is returned.

Calls


None.
  Common :
None.

Restrictions


KEYWRD and IEND must be consistent with the relevant FITS header.

Side Effects


None.

Category


Data Handling, I/O, FITS, Generic.
  Prev. Hist. :
William Thompson, Jan 1992.
  Written :
William Thompson, GSFC, January 1992.
  Modified :
Version 1, William Thompson, GSFC, 12 April 1993.
Incorporated into CDS library.

Version


Version 1, 12 April 1993.
Converted to IDL V5.0 W. Landsman September 1997



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