Re. Associative arrays in perl

["Adityan Murthy" <ad_it@xxxxxxxxxxx>]

> 2. How do i check for redundant key values while creating the array?
I din't quite follow what u mean.

What i meant was, when i am creating  an associative array, how do i check 
for keys that already exist?  Will perl ignore the new value or will it over 
write the new value with the old, for the same key?

Thanks in advance,

Adityan
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