Parse the file into individual route blocks so that you end up with an array (routes) of arrays (nodes in a route). Then use Algorithm::Diff to compare pairs of routes to pull out the difference information you require.

If you'd have shown us your code I'd have shown you mine.

True laziness is hard work

In reply to Re: Best way to compare my data? by GrandFather
in thread Best way to compare my data? by Lavezzi

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