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