Would you use SQLite? It or other modules in the thread can put your data into a (RAM|FILE|DB|whatever) SQL queryable object. 

my @list_of_ids = XX_query('SELECT id from my_data ORDER BY title');

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SQL will let you do about anything.

For the more purely perl check out A Fresh Look at Efficient Perl Sorting .

In reply to Re: Advice - storing data - which structure do you recommend? (details inside) by zengargoyle
in thread Advice - storing data - which structure do you recommend? (details inside) by Kratimoyporroon

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