Beefy Boxes and Bandwidth Generously Provided by pair Networks
laziness, impatience, and hubris

comment on

( #3333=superdoc: print w/replies, xml ) Need Help??
OK, newbies! It's time for the first installment of the Brain Teaser. Click For some background on these "Brain Teasers". A reminder to all you Perl gurus out there, this is for newbies only! If you can come up with the answer without having to think very hard, please don't bother with this. If you learn something from this exercise, though, feel free to vote this node up.

The code below is designed to give you some practice with conditional statements. What do you predict will be output by this code? You can reveal the answer on the "replies" page. How this code works will be posted soon so be sure to bookmark this node.

#!/usr/bin/perl -w 1 use strict; 2 3 my @list = qw(1 2 3 4 5); 4 my $each = ""; 5 my $i = 0; 6 my @newlist = (); 7 8 foreach $each (@list) { 9 $each *= 2; 10 $newlist[$i] = $each; 11 ++$i; 12 } 13 14 for ($i= 0; $i<5; ++$i) { 15 print ($newlist[$i] - $list[$i], "\n"); 16 }

In reply to NEWBIE Brain Teaser by nysus

Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":

  • Are you posting in the right place? Check out Where do I post X? to know for sure.
  • Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
    <code> <a> <b> <big> <blockquote> <br /> <dd> <dl> <dt> <em> <font> <h1> <h2> <h3> <h4> <h5> <h6> <hr /> <i> <li> <nbsp> <ol> <p> <small> <strike> <strong> <sub> <sup> <table> <td> <th> <tr> <tt> <u> <ul>
  • Snippets of code should be wrapped in <code> tags not <pre> tags. In fact, <pre> tags should generally be avoided. If they must be used, extreme care should be taken to ensure that their contents do not have long lines (<70 chars), in order to prevent horizontal scrolling (and possible janitor intervention).
  • Want more info? How to link or or How to display code and escape characters are good places to start.
Log In?

What's my password?
Create A New User
Domain Nodelet?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others chilling in the Monastery: (6)
As of 2022-01-25 11:43 GMT
Find Nodes?
    Voting Booth?
    In 2022, my preferred method to securely store passwords is:

    Results (66 votes). Check out past polls.