Re: No StringCompare in Mathematica?
- To: mathgroup at smc.vnet.net
- Subject: [mg67176] Re: [mg67148] No StringCompare in Mathematica?
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Sun, 11 Jun 2006 02:18:13 -0400 (EDT)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
s1="bzcxg";
s2="bzfy";
OrderedQ[{s1,s2}]
True
OrderedQ[{s2,s1}]
False
Sort[{s1,"a",s2}]
{a,bzcxg,bzfy}
Sort[{s1,"a",s2},OrderedQ[{#1,#2}]&]
{a,bzcxg,bzfy}
Sort[{s1,"a",s2},!OrderedQ[{#1,#2}]&]
{bzfy,bzcxg,a}
Bob Hanlon
---- "Steven T. Hatton" <hattons at globalsymmetry.com> wrote:
> I wanted to sort a list of XMLElements based on the text in the third
> descendent of the element type used to form the list. In order to set up
> the comparison predicate, I had to(?) form a list of the two candidate
> strings and compare it to the sorted version of itself. The sort was
> fairly slow in executing. I would like to have simply done s1 < s2, but
> Mathematica doesn't appear to support that. Is there a way to get that
> functionality more simply than what I described?
> --
> http://www.mathematica-users.org/
> http://www.ifi.unizh.ch/math/bmwcs/master.html
> http://www.w3.org/Math/
> http://230nsc1.phy-astr.gsu.edu/hbase/hframe.html
>
--
Bob Hanlon
hanlonr at cox.net