Beefy Boxes and Bandwidth Generously Provided by pair Networks
"be consistent"
 
PerlMonks  

Re: I don't understand a piece of this code (What is qw()? How does qw() work?)

by Anonymous Monk
on Jun 18, 2012 at 03:30 UTC ( #976730=note: print w/ replies, xml ) Need Help??


in reply to I don't understand a piece of this code

Remember I am geting an unhelpful error message. Not sure how to debug it. ?

Remember Tutorials: Basic debugging checklist , brian's Guide to Solving Any Perl Problem?

Second verse, same as the first, go fishing :)

To see if your code is what you thought it was, use B::Deparse

$ perl -MO=Deparse,-p crates ($what = '[box]'); foreach $_ (('in[box]', 'out[box]', 'white[sox]')) { if (/\Q$what\E/) { print("$_ matched!\n"); } } crates syntax OK

Hopefully that code you should recognize ( perlintro if you don't)

For a word explanation see perlop#Quote and Quote like Operators, qw/STRING/, Quote and Quote-like Operators, Modern Perl pdf page 35 :)

I don't know how to stop this site from interpolating (correct word?) the brackets.

use code ( <c>[box]</c> ) tags or html enities, see PerlMonks FAQ, Markup in the Monastery

See also How do I compose an effective node title?, an effective title might "What is qw()?" or "How does qw() work?"


Comment on Re: I don't understand a piece of this code (What is qw()? How does qw() work?)
Select or Download Code

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://976730]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others about the Monastery: (19)
As of 2015-07-07 19:50 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 (93 votes), past polls