#!/bin/bash

if [ "$#" -ne 2 ] || ! [ -f "$1" ] || [ -e "$2" ]
then
	echo "Rossz parameterek, helyes hasznalat: ./szotar.sh <forras> <cel>" >&2
	exit 1
fi

cat "$1" | tr ' ,?:!.' '\n\n\n\n\n\n' | fgrep -vx '' | tr '[:upper:]' '[:lower:]' | sort | uniq >"$2"