Beefy Boxes and Bandwidth Generously Provided by pair Networks
good chemistry is complicated,
and a little bit messy -LW

comment on

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

To update this to a newer version of perl, you should use warnings;. With that, you can turn off particular warnings with no warnings qw( uninitialized ); in this case. The old -w switch turns on all warnings.

Your code has a serious deficiency in that division places the left side of the string comparison in numeric context, and is then stringified to '0' by the ne operator. The right side, being undef, stringifies to an empty string. The comparison cannot succeed unless $value equals '0'.

On line numbering, you can modify perl's notion of __LINE__ and __FILE__ with the #line nnn ffff.ext directive. (Added) It follows C rules for preprocessor directives. Here's a command line example of its use:

$ perl -e' > #line 42 bogus > die "As expected"' As expected at bogus line 42. $

After Compline,

In reply to Re: if-elsif weirdness by Zaxo
in thread if-elsif weirdness by leriksen

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 making s'mores by the fire in the courtyard of the Monastery: (4)
As of 2021-08-04 16:23 GMT
Find Nodes?
    Voting Booth?
    My primary motivation for participating at PerlMonks is: (Choices in context)

    Results (41 votes). Check out past polls.