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array traversal

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March 2025

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Use `awk’s PROCINFO["sorted_in"]` to control array traversal order

awk procinfosorted_in array traversal text processing sorting behavior

The article explains the `PROCINFO["sorted_in"]` feature in GNU `awk`, providing users a method to specify array traversal orders, enhancing script flexibility and efficiency. It delves into the mechanics of array sorting by keys or values, with practical examples and applications in sorting sales data, benefiting complex data sorting tasks.

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