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Ruby: drop first three array elements and sort by two elements

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Aafbroman
Last edited Aug 20, 2012
Created on Aug 20, 2012

This example demonstrates how to sort an array of genome data after removing the first three elements. The code calls `drop(3)` to discard the initial entries, then uses Ruby’s `sort` method with a custom comparator block. The comparator first compares the second element (`a[1]`) case-insensitively using `downcase` and the spaceship operator `<=>`. If those values are equal, it falls back to comparing the third element (`a[2]`) in the same case-insensitive manner, ensuring a stable, two-level alphabetical ordering. The result is a sorted list ready for further processing or visualization, though no rendering library is invoked here.

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