A bash script to duplicate a newly installed l4d2 server

l4d2_mirror.sh

#!/bin/bash

# $1 - Return Variable, $2 - input relative path
function get_full_path() {
        local  __resultvar=$1
        local  myresult="$(cd "$(dirname "$2")"; pwd -P)/$(basename "$2")"
        eval $__resultvar="'$myresult'"
}

# $1 src, $2 dst, $3 and so on are blacklisted filename
function process_dir() {
        local d=''
        for d in $1/* ; do
                local DIRNAME=$(basename $d)
                local LNSRC=$d
                local LNDST=$2/$(basename $d)


                # Check if the item is in the blacklist
                local i=3
                local exec_ln=1;
                while [ $i -le $# ]; do
                        local not_inc=$(eval "echo \${$i}")
                        if [ $DIRNAME == $not_inc ]; then
                                exec_ln=0
                        fi
                        ((i++))
                done

                local hintstr=''
                # Create symbolic link if it is not in the blacklist
                if [ $exec_ln -eq "1" ]; then
                        if [ -d $LNSRC ]; then
                                hintstr='\e[34mLinkD\e[39m: '
                        else
                                hintstr='LinkF: '
                        fi

                        ln -s $LNSRC $LNDST
                elif [ -d $LNSRC ]; then
                        hintstr='\e[93mMKDir\e[39m: '
                        mkdir $LNDST
                else
                        hintstr='\e[92mCopy \e[39m: '
                        cp $LNSRC $2
                fi
                echo -e $hintstr$LNSRC" \e[93m<--->\e[39m "$LNDST
        done
}

get_full_path L4D2SRC $1
get_full_path DESTDIR $2

echo 'Source Dir = '"$L4D2SRC"
echo 'Dest Dir = '$DESTDIR

echo -e "\e[91mProcessing: $L4D2SRC\e[39m"
process_dir $L4D2SRC $DESTDIR left4dead2 update
echo -e "\e[91mProcessing: $L4D2SRC/update \e[39m"
process_dir $L4D2SRC/update $DESTDIR/update
echo -e "\e[91mProcessing: $L4D2SRC/left4dead2 \e[39m"
process_dir $L4D2SRC/left4dead2 $DESTDIR/left4dead2 addons cfg downloads host.txt mapcycle.txt maplist.txt missioncycle.txt missions.cache modelsounds.cache stats.txt whitelist.cfg motd.txt

echo -e "\e[91mCopy Dir: $L4D2SRC/cfg \e[39m"
cp -r $L4D2SRC/left4dead2/cfg/* $DESTDIR/left4dead2/cfg/
echo  $L4D2SRC/left4dead2/cfg/\*" ==> "$DESTDIR/left4dead2/cfg/\*