How to get new company to update Perl code
Started a new company as contractor. They use perl and unfortunately they have a lot of old developers who are stuck in there ways. Some things are not good like no comments in code and they love writing unreadable code with old idioms.  They also avoid a lot cpan modules and write their own instead. The most anoying thing is also like to change my code in code reviews to their way of doing things.

Never ran into this before when doing a place that likes perl. They usually want to modernize it.  Being a contractor what is the best way to approach this issue
How to get new company to update Perl code
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Started a new company as contractor. They use perl and unfortunately they have a lot of old developers who are stuck in there ways. Some things are not good like no comments in code and they love writing unreadable code with old idioms.  They also avoid a lot cpan modules and write their own instead. The most anoying thing is also like to change my code in code reviews to their way of doing things.

Never ran into this before when doing a place that likes perl. They usually want to modernize it.  Being a contractor what is the best way to approach this issue