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| Perl-Sensitive Sunglasses | |
| PerlMonks |
Re^2: printing all values in a hash of hashes of arraysby BillKSmith (Monsignor) |
| on Dec 15, 2014 at 21:08 UTC ( [id://1110408]=note: print w/replies, xml ) | Need Help?? |
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Perl's own documentation on this subject is very good. (Refer to the section "Using References" of perldoc perlref Grandfather is recommending rule 2 because it always works. The other rules are essentially "short cuts" which apply in special cases.
Bill
In Section
Seekers of Perl Wisdom
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