First off, thank you for the great discussion and information. Here is a little summary of what I learned here (and aren't summaries what we all want anyway?).
Using flags in your code (Flag : a variable who's sole purpose in existing is to be checked later on in your script for a particular value.) is just fine with the following caveats:
- Try to avoid overuse of flags because it can make your code hard to read and maintain.
- Name your flags in a way that indicates what they are measuring.
- Never eat yellow snow.
- Keep the location where the flag is set and the location where the flag is used close together.
Again, thank you for the clarifications,
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.