I sometimes hack something with a hash:
%keywords = ( "string1" => 1, "string2" => 1, "string3" => 1 )
and then do something like:
exists($keywords{$mystring})
which should be true if $mystring is one of "string1", "string2", or
"string3".
-roger
_______________________________
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On Fri, 21 Feb 2003, Duncan Murdoch wrote:
> I'm working on the installer code, but I don't know Perl well enough.
> What is a good Perl equivalent of the R statement
>
> if ( s %in% c('string1', 'string2', 'string3') ) ...
>
> I can do it with
>
> if (s == "string1" || s == "string2" || s == "string3") ...
>
> but I've got a feeling there's a better way to do it using associative
> arrays.
>
> The real example will have about a dozen fixed strings that I want to
> search a few thousand times.
>
> Duncan Murdoch
>
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