sub unique { my %x;@x{@_}=@_;values %x}

my @sorted_unique = sort unique (split ' ', do { local $\=undef;<> });

[download]

In other words, use the hash.

------
We are the carpenters and bricklayers of the Information Age.

Then there are Damian modules.... *sigh* ... that's not about being less-lazy -- that's about being on some really good drugs -- you know, there is no spoon. - flyingmoose

I shouldn't have to say this, but any code, unless otherwise stated, is untested

In reply to Re: promoting array to a hash by dragonchild
in thread promoting array to a hash by sleepingsquirrel

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