#!/bin/bash
username=$LOGNAME
# put your password and the name of computer A here
password=mypassword
server=name_of_computer_A
rm files.txt
/usr/bin/wget ftp://$username:$password@$server/files.txt
cat files.txt | \
while read line
do
    whattodo=`echo $line | cut -d ' ' -f1`
    filename=`echo $line | cut -d ' ' -f2`
    echo
    echo next command: $whattodo $filename
    echo
    case ${whattodo} in
    get)
        echo getting $filename ...
        /usr/bin/wget ftp://$username:$password@$server/$filename
       ;;
    put)
        echo putting $filename ...
        /usr/local/bin/wput $filename ftp://$username:$password@$server
    ;;
    cd)
        cd  $filename
        pwd
        ;;
    ls)
        ls -l > results.txt
        /usr/local/bin/wput results.txt ftp://$username:$password@$server
        ;;
    done)
        echo finished
        ;;
    esac
done
echo done > files.txt
/usr/local/bin/wput files.txt ftp://$username:$password@$server
rm files.txt