The value of the hash is being incremented.
This kind of thing happens either because the programmer wants to
count the number of that particular key value in a loop, or is only
concerned with storing the key, but you cannot have a hash key
without a value, so they are just using a number for the value.
> I am having trouble understanding just what the following does,
> and how to you use it:
>
> $hash{$_}++
>
> i.e. are we increment the value or the key?
>
> I would appreciate any guidance here!
>
> Thanks,
>
> Dave G.
>
>
>
Martin van-Eerde Dip. Comp. (Open)
Senior Analyst Programmer
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