2 isstr - whether a value is a string
13 Determine if x is a string. This function will return 1 if x is
14 a string, 0 otherwise.
17 ; print isstr("1"), isstr(1), isstr("")
27 isassoc, isatty, isblk, isconfig, isdefined, iserror, iseven, isfile,
28 ishash, isident, isint, islist, ismat, ismult, isnull, isnum, isobj,
29 isobjtype, isodd, isprime, isrand, israndom, isreal, isrel,
30 issimple, issq, istype
32 ## Copyright (C) 1999 Landon Curt Noll
34 ## Calc is open software; you can redistribute it and/or modify it under
35 ## the terms of the version 2.1 of the GNU Lesser General Public License
36 ## as published by the Free Software Foundation.
38 ## Calc is distributed in the hope that it will be useful, but WITHOUT
39 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
40 ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
41 ## Public License for more details.
43 ## A copy of version 2.1 of the GNU Lesser General Public License is
44 ## distributed with calc under the filename COPYING-LGPL. You should have
45 ## received a copy with calc; if not, write to Free Software Foundation, Inc.
46 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
48 ## @(#) $Revision: 30.1 $
49 ## @(#) $Id: isstr,v 30.1 2007/03/16 11:10:42 chongo Exp $
50 ## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/isstr,v $
52 ## Under source code control: 1994/10/21 02:21:31
53 ## File existed as early as: 1994
55 ## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
56 ## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/