Beefy Boxes and Bandwidth Generously Provided by pair Networks
Problems? Is your data what you think it is?
 
PerlMonks  

Re^4: IF and GREP Question

by jwkrahn (Monsignor)
on Sep 18, 2013 at 06:10 UTC ( #1054590=note: print w/replies, xml ) Need Help??


in reply to Re^3: IF and GREP Question
in thread IF and GREP Question

"if ()" imposes a scalar context.

Actually it imposes a boolean context, which is basically the same as scalar context.

"if (@found)" sees undef or zero

An array in boolean context cannot be undef.    In fact, defined doesn't work with arrays anymore.

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1054590]
help
Chatterbox?
and all is quiet...

How do I use this? | Other CB clients
Other Users?
Others about the Monastery: (2)
As of 2016-12-04 07:10 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    On a regular basis, I'm most likely to spy upon:













    Results (63 votes). Check out past polls.