Linux

Filtering and summing in Linux

LinuxText Processingawkintermediate

What this snippet does

A pattern-action pair runs per line, and END runs once after the last one.

Expected output

17

Why practise typing this

Typing text processing code builds muscle memory for the symbols and indentation Linux uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.

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