fprintf, lun, format, arg1 [, arg2
…] [, /element]
Print arguments into the file on logical unit
guidance of format string
format. If there are more
arguments than entries in the format string, then the last format entry
is repeated as necessary to service all remaining arguments. Arguments
are cast to the type appropriate for the corresponding format entry.
One format entry is used per argument, unless
specified, in which case on format entry per output number is used.
This is only of interest for outputting arrays.
See also: Output Data Formats, fprint, print, openw