Name

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      FTHELP

Purpose

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      Routine to print a description of a FITS ASCII table extension

Calling Sequence

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      FTHELP, H, [ TEXTOUT = ]

Inputs

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      H - FITS header for ASCII table extension, string array

Optional Input Keyword

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      TEXTOUT - scalar number (0-7) or string (file name) determining
              output device (see TEXTOPEN). Default is TEXTOUT=1, output
              to the user's terminal

Notes

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      FTHELP checks that the keyword XTENSION equals 'TABLE' in the FITS
              header.

System Variables

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      Uses the non-standard system variables !TEXTOUT and !TEXTUNIT
      which must be defined (e.g. with ASTROLIB) prior to compilation.

Procedures Used

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      REMCHAR, SXPAR(), TEXTOPEN, TEXTCLOSE, ZPARCHECK

History

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      version 1 W. Landsman Jan. 1988
      Add TEXTOUT option, cleaner format W. Landsman September 1991
      TTYPE value can be longer than 8 chars, W. Landsman August 1995
      Remove calls to !ERR, some vectorization W. Landsman February 2000
      Slightly more compact display W. Landsman August 2005