in reply to overcoming undef as Array ref

@{$exceptions{$user}||[]}

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But I suspect that code occurs in a larger block that could stand to have an if ( exists $exceptions{$user} ) or similar.

I'm looking for a job.

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Re^2: overcoming undef as Array ref
by Anonymous Monk on Mar 29, 2007 at 22:34 UTC
    @{$exceptions{$user}||[]}
    Ah, that looks like a better answer.
    But I suspect...
    Your suspicion detection algorithm is faulty. That expression is returned from a subroutine. No larger context.
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