#!/bin/bash

if [[ $# -lt 2 ]]
then
	echo "Usage: $0  <display_format> <SCR_FILE>"
	exit
fi

if [[ $1 != "1" && $1 != "2" ]]
then
	echo "Unknown display format. Please submit 1 if no prefix, 2 for prefix U+"
	exit
fi

if [[ ! -f $2 ]]
then
	echo "File $2 doesn't exist or is not regular"
	exit
fi

if [[ $1 == "2" ]]
then
	fmt="U+"
fi
while read addr
do
	l=$(expr length $addr)
	ind=$(expr index $addr "0")
	cont=$(expr substr $addr $((ind+1)) $((8-ind)))
	pos=11
	while [[ $pos -lt $l ]]
	do
		cont=$cont$(expr substr $addr $pos 6)
		pos=$((pos+8))
	done
	printf "$fmt%x\n" $((2#$cont))
done < $2
exit