PERL is not for effeciency, It is only for getting things to be done
Perl is for getting things done efficiently.
...but duplicating a working program (if it is working) isn't efficient.
The relation of program size to efficiency is a bit obscure, because each time you use Some::XML::Module you're pulling in god knows how many lines of code. Of course, these are LOC that you don't have to write or maintain. In some sort of bogus way the ratio of LOC that you write to LOC that you leverage via use could be considered a measure of efficiency. Sort of.
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