day 01

01.awk

@@ -0,0 +1,22 @@
+BEGIN { FS=""; OFS=""; s = 0 }
+
+# since this is destructive, p1 and p2 are separate
+# to use p2 add -v p=2
+p == 2 {
+	gsub(/one/, "on1ne");
+	gsub(/two/, "tw2wo");
+	gsub(/three/, "thre3hree");
+	gsub(/four/, "fou4our");
+	gsub(/five/, "fiv5ive");
+	gsub(/six/, "si6ix");
+	gsub(/seven/, "seve7even");
+	gsub(/eight/, "eigh8ight");
+	gsub(/nine/, "nin9ine");
+}
+
+{
+	gsub(/[^0-9]/, "")
+	s += $1$NF
+}
+
+END { print s }

README.md

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+# aoc 2023
+no promises
+
+1. awk
+   - `-v p=2` for part 2