#!/bin/sh
# $VER: ZIP2LHA v1.0.0 by TCH
command -v unzip >/dev/null 2>/dev/null || { echo >&2 "Please install unzip."; exit 1; }
command -v lha >/dev/null 2>/dev/null || { echo >&2 "Please install lha."; exit 1; }

if [ -z $1 ]
then
	echo "Usage: zip2lha <zipfile>"
	exit 0
fi

if [ ! -e $1 ]
then
	echo "File does not exists."
	exit 1
fi

FNF=${1##*/}
FN=${FNF%.zip}
DN=${FN}_tmp

unzip $1 -d $DN >/dev/null 2>/dev/null

if [ ! -d $DN ]
then
	echo "Failed to extract ZIP archive."
	exit 1
fi

cd $DN
lha -a ../$FN.lha * >/dev/null 2>/dev/null
cd ..
rm -r $DN