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

Re: counting elements using a hash

by CountZero (Bishop)
on Sep 23, 2012 at 07:12 UTC ( #995179=note: print w/replies, xml ) Need Help??


in reply to counting elements using a hash

You are missing the final semi-colon in your first line.

Also, you are using an alphanumeric search (which means "2" will come between "19" and "20"). You will want to use a numeric sort.

use Modern::Perl; my @numbers = map int(rand(100)), (1..1000); my %count; $count{$_}++ for @numbers; say "$_ occurs $count{$_} time(s)" for sort {$a <=> $b} keys %count;

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

My blog: Imperial Deltronics

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://995179]
help
Chatterbox?
erix .oO( apparently but does not GotToBFast )
[Discipulus]: now i must come back to my house/hoven monks: dont do interesting discussion in my absence!
[erix]: or apparently, now it does :)
[GotToBTru]: heh
erix prods ambrus to (re-)start cbstream...
[GotToBTru]: I've got a program with an if ... or ... statement with 80 clauses
[stevieb]: 80 clauses? dispatch table?
[GotToBTru]: no, lookup
[stevieb]: no, I mean have you considered using a dispatch table. an 80 condition if/else is huge :)
[GotToBTru]: that is how this should have been done, no question

How do I use this? | Other CB clients
Other Users?
Others meditating upon the Monastery: (11)
As of 2017-06-22 12:58 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    How many monitors do you use while coding?















    Results (519 votes). Check out past polls.