Setup server script for Minecraft modpack "Crucial 2"

setup_server.sh

[ -n "$JAVA_HOME" ] && JAVA="$JAVA_HOME/bin/java" || JAVA=java

set -e

if [ -f forge-installer.jar ]; then
        echo forge-installer.jar is present, which indicates the pack is already installed.
        echo Delete forge-installer.jar if you intended to install or if the previous installation stopped halfway.
        read -p "Press ENTER to continue..." answer
        exit 0
fi

[ -d mods ] || mkdir mods || exit
echo Downloading modpack files...
ORIG_IFS="$IFS"
IFS=,
while read line; do
        set -- $line
        [ $# != 2 ] && continue
        wget --continue "$1" -O "${2%^M}"
done < mods.csv
IFS="$ORIG_IFS"

echo Installing server...
$JAVA -jar forge-installer.jar --installServer

read -p "Press ENTER to continue..." answer