In scripts -Inputbox in Dialog Box

#!/bin/bash
dialog --title "Inputbox - To take input from you" --backtitle "Linux Shell\
Script Tutorial" --inputbox "Enter your name please" 8 60 2>/tmp/input.$$
sel=$?
na=`cat /tmp/input.$$`
case $sel in
0) echo "Hello $na" ;;
1) echo "Cancel is Press" ;;
255) echo "[ESCAPE] key pressed" ;;
esac
rm -f /tmp/input.$$

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