fcw(var, file [, header] [, /runlength])
fcw, var, file [, header] [, /runlength]
header string into compressed
file. The compression is of the lossless Rice kind. If
/runlength is specified, then the Rice compression is combined
with run-length encoding. The function version returns 1 on success, 0
on failure, and no error messages.
See also: fcrunwrite, fzwrite, fzhead