Shell Programming and Scripting

#!/bin/bash -x
. $HOME/bin/env.sh
export HOST=some@site.com
export USER=abc
export PASS=xyz
export FILEPATH=$HOME/bin
rm -f $FILEPATH/temp
cd $HOME/download
ftp -i -v -n $HOST <<EOF > $HOME/get.log
        user $USER $PASS
        mget *.csv
        disconnect
        bye
EOF
cd $HOME/download
ls -lrt | tr -s " " | cut -d " " -f9 | grep -v ^$ > $FILEPATH/temp
if [ -s $FILEPATH/temp ];then
        while read line
        do
                echo "rename /$line /archive/$line.processed"
        done < $FILEPATH/temp > $FILEPATH/query
        while read line
        do
                ftp -in $HOST <<EOF > $HOME/archive.log
                user $USER $PASS
                $line
                disconnect
                bye
                EOF
        done < $FILEPATH/query
fi
rm -f $FILEPATH/query
exit;