Beefy Boxes and Bandwidth Generously Provided by pair Networks
Don't ask to ask, just ask
 
PerlMonks  

Re: Looping through an Array

by vinoth.ree (Monsignor)
on Jan 11, 2013 at 13:25 UTC ( #1012888=note: print w/replies, xml ) Need Help??


in reply to Looping through an Array

Have you included

use strict; use warnings;

There is no array with @colnames, so its printing 0, You have $colnames variable which has the array reference, you need to dereference it like

print "A size:" . @$colnames . "\n";

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1012888]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others making s'mores by the fire in the courtyard of the Monastery: (15)
As of 2016-09-29 15:52 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    Extraterrestrials haven't visited the Earth yet because:







    Results (555 votes). Check out past polls.