function go_out = ginsh (go_in)
## usage: go_out = ginsh (go_in)
## go_out, go_in strings containing valid ginsh code
## Interface to ginsh to provide symbolic manipulation within octave
## Part of the gino (ginsh-octave) toolbox
## Copyright (C) 2002 by Peter J. Gawthrop
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
command = sprintf("echo '%s;' | ginsh ", go_in); # sh command
go_out = system(command); # execute it
if (length(go_out)>0) # Strip trailing NL
go_out = substr(go_out,1,length(go_out)-1);
endif
endfunction