Beefy Boxes and Bandwidth Generously Provided by pair Networks
Do you know where your variables are?
 
PerlMonks  

Comment on

( #3333=superdoc: print w/ replies, xml ) Need Help??

I tend to use goto quite liberally. For example, below, I want to exit the sub if the $project does not have the IconView initialized yet. Also, if no items were selected, I want to return. In both cases I want to give the same warning and return.

    It is possible to avoid using goto here:
  1. eval the get_selected_items and check for error
  2. do a return instead of goto
  3. ...

But, to me, this seems like it is much easier (and clearer) to use goto instead of coming up with all possible structures and so on just to avoid using goto.

goto NO_EXIF unless (defined($project->{LG}->{IMG_ICONVIEW})); my @img_selected = $project->{LG}->{IMG_ICONVIEW}->get_selected_it +ems(); my @dock_selected = $project->{LG}->{DOCK_ICONVIEW}->get_selected_ +items(); ## check that any images are selected if (scalar(@img_selected) + scalar(@dock_selected) < 1) { NO_EXIF: GUIFunctions->warn("Some message"); return; }

In reply to Re^2: Number of times I've used goto in Perl by Anonymous Monk
in thread Number of times I've used goto in Perl by vroom

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



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • Outside of code tags, you may need to use entities for some characters:
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.
  • Log In?
    Username:
    Password:

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

    How do I use this? | Other CB clients
    Other Users?
    Others chilling in the Monastery: (8)
    As of 2014-11-01 02:03 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?

      For retirement, I am banking on:










      Results (227 votes), past polls