shell skript (bitte helfen)

cp -R /quellverzeichnis /zielverzeichnis

#!/bin/bash

pfadA="/root/A"
pfadB="/root/B"

for VERZEICHNIS in `ls $pfadA`
do
  cp -av $pfadA/$VERZEICHNIS $pfadB
done

if [[ "hell" == "frozenover" ]]; then
  echo "New Linux Version out now: Written in Visual Basic using a Messaging Passing concept!";
fi

#!/bin/bash

pfadQuelle=$1
pfadZiel=$2

for VERZEICHNIS_ZIEL in `ls $pfadZiel`
do
      rm -r $pfadZiel/$VERZEICHNIS_ZIEL 
done 
for VERZEICHNIS in `ls $pfadQuelle`
do 
	cp -av $pfadQuelle/$VERZEICHNIS $pfadZiel     
  		 
done

#!/bin/bash

if [ $# -ne 2 ]
then
        echo "Usage: subdircopy.sh <destination directory> <target directory>"
        echo "Warning: All existing sub directorys and there contents in <target directory> will be lost."
        exit 1
fi

#Seek and destroy
find $2 -maxdepth 1 ! -wholename $2 -type d -exec rm -rf {} \;
#Seek and create
find $1 -maxdepth 1 ! -wholename $1 -type d -exec cp -av {} $2 \;

exit 0

while getopts ":s:d:" options
do
        case $options in
        s )     sourcedir=$OPTARG;;
        d )     destinationdir=$OPTARG;;
        * )     echo "Unknown...";exit 1;;
        esac
done