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From:Uri Guttman Date:Fri Sep  3 06:24:30 2010
Subject:Re: Traversing Hash printing two times
>>>>> "JD" == Jatin Davey <jashokda@cisco.com> writes:

>> but it isn't as good as my code. don't use $_ unless you have to (as in
>> map/grep). it is much better to use named variables.
JD> Any reason to use named variables than to use the default variable ($_) ?

yes, you can read the code and see what the variable is for. $_ is
useful in some situations but not for foreach loops and similar
things. names are important in code and $_ has no name. you lose the
opportunity to tell the reader of the code what the variable contains
and what it is used for.

uri

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