$self->{&{\&{$testname}}}->($system); #system is hashref
...
Use of uninitialized value $self in concatenation (.) or string
Can't call method "_idown" on an undefined value
Can't call method "_idown" on an undefined value
The errors suggest that at some point you are invoking one of your methods without argument, thus $self is never initialized. Carp can be very helpful here for recovering the call stack where the error is actually happening, in the calling routine. You could also manually construct a relevant error using caller:
sub method {
my $self = shift or die join(", ", caller()), "\n";
...
}
If I've misdiagnosed the issue (which is plausible given how complex your invocation is), you probably want to learn How can I visualize my complex data structure?.
#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.
-
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.
|