The form dialog for input

#!/bin/bash

# useradd1.sh - A simple shell script to display the form dialog on screen

# set field names i.e. shell variables

shell=""

groups=""

user=""

home=""

# open fd

exec 3>&1

# Store data to $VALUES variable

VALUES=$(dialog --ok-label "Submit" \

        --backtitle "Linux User Managment" \

--title "Useradd" \

        --form "Create a new user" \

15 50 0 \

      "Username:" 1 1      "$user"       1 10 10 0 \

      "Shell:"    2 1      "$shell"        2 10 15 0 \

      "Group:"    3 1      "$groups"        3 10 8 0 \

      "HOME:"     4 1      "$home"       4 10 40 0 \

2>&1 1>&3)

# close fd

exec 3>&-

# display values just entered

r=($(echo $VALUES |awk '{print $1,$2,$3,$4}'))

echo r1=${r[0]}

echo r2=${r[1]}

echo r3=${r[2]}

echo r4=${r[3]}