Beefy Boxes and Bandwidth Generously Provided by pair Networks
The stupid question is the question not asked
 
PerlMonks  

Re: Switch the odd/even elements of an array

by wind (Priest)
on Mar 04, 2011 at 20:31 UTC ( #891512=note: print w/ replies, xml ) Need Help??


in reply to Switch the odd/even elements of an array

use xor on the array indexes:

my @foo = (1..8); my @bar = @foo[map {$_ ^ 1} (0..$#foo)]; print "@bar";
Outputs
2 1 4 3 6 5 8 7
- Miller


Comment on Re: Switch the odd/even elements of an array
Select or Download Code

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://891512]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others rifling through the Monastery: (11)
As of 2015-07-29 07:45 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 (260 votes), past polls