day 01

01.awk

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+BEGIN {
+	RS = "\n\n"; FS = "\n"
+	TOP = 3
+	toptot = 0
+}
+{
+	tot = 0
+	for (i = 1; i <= NF; i++)
+		tot += $i
+	cal[FNR] = tot
+}
+END {
+	asort(cal, cal, "@val_num_desc")
+	for (i = 1; i <=TOP; i++)
+		toptot += cal[i]
+	print "elf with most calories has " cal[1] " calories"
+	print "sum of top 3: " toptot
+}

README.md

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+my advent of code 2022 solutions
+
+mainly going to be using shell + posix-defined utilities, probably
+
+## Days
+1. awk (uses features exclusive to GNU's implementation, gawk)