Re: String comparison

[Matthew Wild <mwild1@...>]

2009/12/18 Andreas Falkenhahn <andreas@airsoftsoftwair.de>:
>
> Hi,
>
> I noticed that the following expression is actually FALSE in lua:
>
> "Big" > "ants"
>
> This seems to happen because of the difference in case because
> the following expression is TRUE:
>
> "Big" > "Ants"
>
> Is there any specific reason why lua does string comparison in
> this way? I.e. giving lower case characters a higher priority than
> all of the upper case characters? I.e. the following is TRUE:
>

Can you name a language which /doesn't/ do it this way?


> "a" > "Z"
>
> It's a little bit confusing... especially when using the sort() function
> of lua's table library.

http://www.lua.org/manual/5.1/manual.html#pdf-table.sort

t = {"Dave", "dave", "mary", "Mary", "Adam", "adam"}
table.sort(t, function (a, b) return a:upper() < b:upper() end);

Matthew