#!/bin/bash
echo "Please enter id no : "
read input_variable
echo "You entered: $input_variable"
HOST=xxxx
USER=xx
PASSWORD=xxx
ftp -inv $HOST <<EOF
user $USER $PASSWORD
cd /wpath/to/copy/files/$input_variable/inputs/final/
mput x.csv
bye
EOF

if [[ ${#input_variable} != "6" ]] then
   echo "wrong length"
   exit 1
fi

mkdir /wpath/to/copy/files/$input_variable/inputs/final/