is_signal_list.m

similer program for matlab

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##               Auburn University.  All rights reserved.
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## -*- texinfo -*-
## @deftypefn {Function File} {} is_signal_list (@var{mylist})
## Return true if @var{mylist} is a list of individual strings.
## @end deftypefn

function flg = is_signal_list (mylist)

  if (nargin != 1)
    print_usage ();
  endif

  flg = iscell (mylist);
  if (flg)
    flg = (rows (mylist) == 1 || columns (mylist) == 1);
  endif
  if (flg)
    for ii = 1:length (mylist)
      if (! (ischar (mylist{ii}) && rows (mylist{ii}) == 1))
	flg = 0;
      endif
    endfor
  endif

endfunction