AWK vs MAWK: Differences, Performance & Real-World Examples

TL;DR — There are two popular AWK implementations
on Linux and most developers only know one of them.

MAWK processes a 500MB file in 3.1 seconds.
GAWK takes 8.4 seconds for the same task.

Same syntax. No script changes needed.
Just a faster engine under the hood.

Quick decision rule I now follow:

→ Start with mawk for speed
→ Switch to gawk only if you need extensions
→ Your scripts stay portable either way

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