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view main/struct/rmfield.m @ 0:6b33357c7561 octave-forge
Initial revision
author | pkienzle |
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date | Wed, 10 Oct 2001 19:54:49 +0000 |
parents | |
children | 2ac2777b30bc |
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## Copyright (C) 2000 Etienne Grossman ## ## 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 ## t = rmfield(s,key1,...) ## ## Removes key1, key2, ... from structure s. ## Return s if s is not a struct. Any better behavior? ## ## For m****b compatibility and flexibility. ## ## Basically, does a 'filtering' copy of s. ## ## See also cmpstruct, fields, setfield, isstruct, getfield, isfield, ## catstruct and struct. ## ## Author: Etienne Grossmann <etienne@isr.ist.utl.pt> ## Last modified: January 2000 ## November 2000: Paul Kienzle <pkienzle@kienzle.powernet.co.uk> ## return error rather than trapping to keyboard function t = rmfield(s,...) if ! is_struct(s) , t = s ; return end va_start() ; rmf = ' ' ; nargin-- ; while nargin-- , tmp = va_arg() ; if ! isstr(tmp) , error('rmfield: called with non-string key'); else rmf = [rmf,tmp,' '] ; end end for [val, key] = s , if ! index(rmf,[' ',key,' ']) , % Check if key is wanted eval(['t.',key,'=val;']) ; % Copy end end