#!/bin/sh

in_file=${1-/dev/stdin}
out_file=${2-${1-/dev/stdout}}
tmp_file=/tmp/lirc_$$
tr_file=/usr/share/lirc/keymap_translations

codes=false
while read line; do
	if [ -z "${line###*}" ]; then
		true
	elif [ -z "${line##*begin codes}" ]; then
		codes=true
	elif [ -z "${line##*end codes}" ]; then
		codes=false
	elif $codes; then
		code=${line%% *}
		newcode=$(grep -i " $code\( \|$\)" $tr_file)
		newcode=${newcode%% *}
		newcode=${newcode:-$code}
		line="  $newcode ${line#* }"
	fi
	echo "$line"
done <$in_file >$tmp_file

cat $tmp_file >$out_file
dos2unix $out_file
rm $tmp_file