number-to-name.awk


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#!/usr/bin/awk -f
# Tries to map a number to name (or a question mark if not found)
# Author: Peter Wu <lekensteyn@gmail.com>

BEGIN {
	if (!cmd) cmd = "openssl ciphers -V";

	while ((cmd | getline) > 0) {
		if ( split($0, a, / +- +|[, ]+/)) {
			num = strtonum(a[2]) * 256 + strtonum(a[3]);
			name = a[4];
			number_to_name[num] = name;
		}
	}
}
{
	for (i = 1; i <= NF; i++) {
		if ($i ~ /^[0-9]+$/) {
			name = number_to_name[$i];
			if (!name) name = "?";
			$i = $i " " name;
		}
	}
	print;
}