Beefy Boxes and Bandwidth Generously Provided by pair Networks
We don't bite newbies here... much
 
PerlMonks  

comment on

( #3333=superdoc: print w/replies, xml ) Need Help??
Well, totally bored here at work. I have a bunch of VBScript code (ugh!) that's sitting here doing nothing until I get more specs. Thought I would use the time to play around with a problem suggested in another node. Essentially, the author wanted to sort a list by frequency of the items in that list. Having spare time and a huge desire to maintain my limited Perl skills, I wrote the following snippet:
use warnings; use strict; use Data::Dumper; my @vals = qw( 1 2 3 1 3 3 3 43 bob 2 bob 6 2 ); my %freqs; $freqs{$_}++ foreach @vals; my @sorted = map { $_->[0] } sort { $a->[1] <=> $b->[1] } map { [ $_, $freqs{ $_ } ] } keys %freqs; print Dumper( \@sorted );
Is there any way of eliminating the temporary variable %freqs? I hate synthetic code (code that solves a coding problem, not the problem the program is designed for) and it's bugging me. Or is this one of those age-old "FAQ" questions that I should already know the answer to?

Yeah, I know. It's a trivial post, but like I said, I am bored out of my skull here.

Incidentally, I am returning to the US in April (and will be programming in Perl again!!!!) and will be bidding a sad farewell to my newfound friends here in the Netherlands: kudra, ar0n, and h0mee (who was here visiting).

Cheers,
Ovid

Update: Once again, tilly makes me feel stupid :)

Join the Perlmonks Setiathome Group or just click on the the link and check out our stats.


In reply to Sort on boredom by Ovid

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.
  • Log In?
    Username:
    Password:

    What's my password?
    Create A New User
    Chatterbox?
    and the web crawler heard nothing...

    How do I use this? | Other CB clients
    Other Users?
    Others chanting in the Monastery: (4)
    As of 2020-12-02 00:14 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?
      How often do you use taint mode?





      Results (25 votes). Check out past polls.

      Notices?