aoc2024/d03/run.awk

# run with
# grep -oP 'mul\([0-9]+[,][0-9]+\)|do\(\)|don.t\(\)' input | tr '(,)' '\t\t\t' | awk -f this.awk
BEGIN {run=1}
$1=="mul" {P1+=$2*$3; P2+=run*$2*$3}
$1=="don't" {run=0}
$1=="do" {run=1}
END {print P1, P2}
day 3, esay peazy, regexp + awk 2024-12-03 08:57:20 +00:00			`# run with`
day 3, compact form 2025-01-04 18:24:56 +00:00			`# grep -oP 'mul\([0-9]+[,][0-9]+\)\|do\(\)\|don.t\(\)' input \| tr '(,)' '\t\t\t' \| awk -f this.awk`
			`BEGIN {run=1}`
			`$1=="mul" {P1+=$2$3; P2+=run$2*$3}`
			`$1=="don't" {run=0}`
			`$1=="do" {run=1}`
			`END {print P1, P2}`