#!/bin/bash

ARCHIVE="data/modpack.cg"

rm $ARCHIVE 2>/dev/null
touch $ARCHIVE

find data -name "mod.cg" -o -name "mod-version.cg" | while read FILE; do
    echo "#file=/$FILE" >> $ARCHIVE
    cat "$FILE" | sed 's/[\n\r]+/\n/' >> $ARCHIVE
done