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Re: Making a failed hash lookup return something other than undefby thelenm (Vicar) |
on Nov 13, 2003 at 20:04 UTC ( [id://306917]=note: print w/replies, xml ) | Need Help?? |
The code you posted has a problem when a hash entry exists but has a false value like 0 or undef. The straightforward way to test whether a hash entry exists is to use exists, e.g.:
This is not particularly pretty, but works, and I don't know of a more succinct way to do the same thing. -- Mike --
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