#!/bin/bash
# 11.3.4

# Bash parameter expansion
veg=${1##*.}
elej=${1%.*}

ok=0
if [ -f "$elej".ltx ]; then
cat "$elej".ltx | sed \
-e 's/\\'`echo -e "\047"`'a/\á/g' \
-e 's/\\'`echo -e "\047"`'A/\Á/g' \
-e 's/\\'`echo -e "\047"`'e/\é/g' \
-e 's/\\'`echo -e "\047"`'E/\É/g' \
-e 's/\\'`echo -e "\047"`'\\i /\í/g' \
-e 's/\\'`echo -e "\047"`'I/\Í/g' \
-e 's/\\'`echo -e "\047"`'o/\ó/g' \
-e 's/\\'`echo -e "\047"`'O/\Ó/g' \
-e 's/\\\"o/\ö/g' \
-e 's/\\\"O/\Ö/g' \
-e 's/\\H o/\õ/g' \
-e 's/\\H O/\Õ/g' \
-e 's/\\'`echo -e "\047"`'u/\ú/g' \
-e 's/\\'`echo -e "\047"`'U/\Ú/g' \
-e 's/\\\"u/\ü/g' \
-e 's/\\\"U/\Ü/g' \
-e 's/\\H u/\û/g' \
-e 's/\\H U/\Û/g' \
> "$elej"_ek.ltx
ok=1
fi
if [ -f "$elej".tex ]; then
cat "$elej".tex | sed \
-e 's/\\'`echo -e "\047"`'a/\á/g' \
-e 's/\\'`echo -e "\047"`'A/\Á/g' \
-e 's/\\'`echo -e "\047"`'e/\é/g' \
-e 's/\\'`echo -e "\047"`'E/\É/g' \
-e 's/\\'`echo -e "\047"`'\\i /\í/g' \
-e 's/\\'`echo -e "\047"`'I/\Í/g' \
-e 's/\\'`echo -e "\047"`'o/\ó/g' \
-e 's/\\'`echo -e "\047"`'O/\Ó/g' \
-e 's/\\\"o/\ö/g' \
-e 's/\\\"O/\Ö/g' \
-e 's/\\H o/\õ/g' \
-e 's/\\H O/\Õ/g' \
-e 's/\\'`echo -e "\047"`'u/\ú/g' \
-e 's/\\'`echo -e "\047"`'U/\Ú/g' \
-e 's/\\\"u/\ü/g' \
-e 's/\\\"U/\Ü/g' \
-e 's/\\H u/\û/g' \
-e 's/\\H U/\Û/g' \
> "$elej"_ek.tex
ok=1
fi
if [ $ok = 0 ]; then
echo 'Nem találom azt, hogy' "$elej"'.ltx, sem azt, hogy' "$elej"'.tex'.
fi