This sounds fairly straightforward. What have you tried?
The sub is given a hashref ($families) and the value of a key in the inner hash ('bart'). The key to look in is specified in the sub name ('kid'). In pseudocode, I would do something like this:
for each family surname in the hash (%$families)
get the value of the 'kid' key for the corresponding family hash
if the value is 'bart', return the surname
if the for loop completes the value wasn't found, so return or die
I hope that gets you started. Feel free to come back with more specific questions. Good luck!
Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
Read Where should I post X? if you're not absolutely sure you're posting in the right place.
Please read these before you post! —
Posts may use any of the Perl Monks Approved HTML tags:
Outside of code tags, you may need to use entities for some characters:
- a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.
| & || & |
| < || < |
| > || > |
| [ || [ |
| ] || ] ||