in reply to hash, a troublemaker?

What i need, how i can determine (by codes) the key is not defined?

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Re: Re: hash, a troublemaker?
by runrig (Abbot) on May 13, 2004 at 17:06 UTC
    Take a read through perlfunc and look at exists. If you use defined you will be creating the key and not just checking to see if the key exists.