Beefy Boxes and Bandwidth Generously Provided by pair Networks
Syntactic Confectionery Delight
 
PerlMonks  

Re: sorting an array of hashes and removing duplicates

by Enlil (Parson)
on Apr 02, 2010 at 00:04 UTC ( #832404=note: print w/ replies, xml ) Need Help??


in reply to sorting an array of hashes and removing duplicates

Another way to do it might be to just run the output of the sort through another filter like so:

my %seen; my @sortthetutors = grep { !$seen{$_->{tutorsID}}++ } sort { $a->{tmiles} <=> $b->{tmiles} } @tutorsdata;
-enlil


Comment on Re: sorting an array of hashes and removing duplicates
Download Code
Replies are listed 'Best First'.
Re^2: sorting an array of hashes and removing duplicates
by jmfees (Initiate) on Apr 02, 2010 at 08:51 UTC

    This one worked beautifully, I tested it on 80,000 records, it took just a couple seconds...

    Thanks!!!

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://832404]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others contemplating the Monastery: (13)
As of 2015-07-28 10:06 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    The top three priorities of my open tasks are (in descending order of likelihood to be worked on) ...









    Results (254 votes), past polls