when in doubt use perl -w
, or replace #!/usr/bin/perl
with #!/usr/bin/perl -w
this will give you all kinds of helpful diagnostics
when things don't seem to be happening as you'd expect them to.
use use strict;
just toss that in at the top of your program and it will force you
to declare your variables before you use them. To declare them all you have to do is something like the
my ($count,$max,$min,$avg); #this initializes several scalars at once
This can save you countless hours later if you've mistyped a variable name. You'll know about it.
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>
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
Want more info? How to link or
or How to display code and escape characters
are good places to start.