Beefy Boxes and Bandwidth Generously Provided by pair Networks
Think about Loose Coupling
 
PerlMonks  

Re: defined() might be a good idea

by BrowserUk (Patriarch)
on Aug 17, 2002 at 21:16 UTC ( [id://190923]=note: print w/replies, xml ) Need Help??

Help for this page

Select Code to Download


  1. or download this
    if ( !defined($foo) or  $foo eq '' or $foo eq '?' ) { 
    print "\$foo OK!\n"; 
}

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?

www.com | www.net | www.org
Node Status?
node history
Node Type: note [id://190923]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? • Last hour • Other CB clients
Other Users?
Others surveying the Monastery: (4)
As of 2024-04-25 18:12 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found