Re: exists() for a hash child-key creates the parent key? Bug?

in reply to exists() for a hash child-key creates the parent key? Bug?

exists works safely only for the last step. See autovivification if you don't want to type

if (    exists $hash{keyA}
    and exists $hash{keyA}{keyB}
    and exists $hash{keyA}{keyB}{keyE}
    and exists $hash{keyA}{keyB}{keyE}{keyF}
    ) {
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Comment on Re: exists() for a hash child-key creates the parent key? Bug? Download Code

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Re^2: exists() for a hash child-key creates the parent key? Bug? by AnonymousPerl1 (Initiate) on Dec 17, 2014 at 12:47 UTC
Thank you. Looks like I'll just have to trim my code a bit to be more careful about this, since I can't include any packages that aren't distributed with Perl by default (script is deployed to multiple machines that other users manage).	[reply]

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