I'm trying to debug a failing script. It is chock full of expressions
like this:
$self->_read_file($self->{file})
I have never used this syntax in my own scripts which are pretty basic
and getting a headache trying to figure out what that line is saying.
One of the @_ array being passed to the sub `_read_file' referred to
in the line above:
my $file = shift;
is ending up undefined so trying to track down where it gets defined.
I think it is in the above line but I'm not getting what is being
pointed to.
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