The docs are fairly self explanatory. The main use is if you have a 'next' statement in your main loop block, but you want something to happen after the 'next'. It just gives you an extra level of flow control in loops (see the docs for where each flow control statement will take you).
Trivial example (but hopefully showing basic use):
while ( my $foo = get_next_foo() ) {
if ( $foo == 1 ) {
next;
}
do_some_stuff();
} continue {
# Everything ends up here whether 'next' was hit or not
do_some_more_stuff();
}
You can probably achieve the same thing with if statements, so (in this case at least) it's just syntactic suger.
-
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 How to display code and escape characters
are good places to start.
|