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

Re^2: Forcing array context on a file handle

by perl_walker (Novice)
on Oct 31, 2012 at 07:15 UTC ( [id://1001614]=note: print w/replies, xml ) Need Help??


in reply to Re: Forcing array context on a file handle
in thread Forcing array context on a file handle

Hi, ronmrdechai

$lines = grep {$_} <$file>;

Replies are listed 'Best First'.
Re^3: Forcing array context on a file handle
by QM (Parson) on Nov 02, 2012 at 12:31 UTC
    That works for files in the default case, because every line will have a newline or somesuch, and will not be an empty string. For counting, map would be more appropriate than grep. But tobyink showed the idiom above:
    my $lines =()= <$file>;

    -QM
    --
    Quantum Mechanics: The dreams stuff is made of

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Node Status?
node history
Node Type: note [id://1001614]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others making s'mores by the fire in the courtyard of the Monastery: (4)
As of 2024-03-19 10:44 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found