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Linux sed and awk Cheat Sheet/Use BEGIN and END blocks

Print headers and footers around processed output.

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Section: awk Scripting Patterns

Use BEGIN and END blocks

bash
bash
awk 'BEGIN{print "name,total"} {print $1 "," $2} END{print "done"}' report.txt
Explanation

BEGIN runs before input, END runs after all input is consumed.

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