Shell Programming and Scripting

#!/bin/bash# Crude address databaseclear # Clear the screen.echo "          Contact List"echo "          ------- ----"echo "Choose one of the following persons:" echoecho "[E]vans, Roland"echo "[J]ones, Mildred"echoread personcase "$person" in# Note variable is quoted.  "E" | "e" )  # Accept upper or lowercase input.  echo  echo "Roland Evans"  echo "4321 Flash Dr."  echo "Hardscrabble, CO 80753"  echo "(303) 734-9874"  echo "(303) 734-9892 fax"  echo "revans@zzy.net"  echo "Business partner & old friend"  ;;# Note double semicolon to terminate each option.  "J" | "j" )  echo  echo "Mildred Jones"  echo "249 E. 7th St., Apt. 19"  echo "New York, NY 10009"  echo "(212) 533-2814"  echo "(212) 533-9972 fax"  echo "milliej@loisaida.com"  echo "Ex-girlfriend"  echo "Birthday: Feb. 11"  ;;   echo   echo "Not yet in database."  ;;esacechoxit 0

#!/bin/bash
 
# Crude address database
 
clear # Clear the screen.
 
echo " Contact List"
echo " ------- ----"
echo "Choose one of the following persons:" 
echo
echo "[E]vans, Roland"
echo "[J]ones, Mildred"
 
echo
 
read person
 
case "$person" in
# Note variable is quoted.
 
"E" | "e" )
# Accept upper or lowercase input.
echo
echo "Roland Evans"
echo "4321 Flash Dr."
echo "Hardscrabble, CO 80753"
echo "(303) 734-9874"
echo "(303) 734-9892 fax"
echo "revans@zzy.net"
echo "Business partner & old friend"
;;
# Note double semicolon to terminate each option.
 
"J" | "j" )
echo
echo "Mildred Jones"
echo "249 E. 7th St., Apt. 19"
echo "New York, NY 10009"
echo "(212) 533-2814"
echo "(212) 533-9972 fax"
echo "milliej@loisaida.com"
echo "Ex-girlfriend"
echo "Birthday: Feb. 11"
;;
 
echo
echo "Not yet in database."
;;
 
esac
 
echo

while true 
do
  your script here.
done

clear # Clear the screen.