Shell Programming and Scripting

./rolo: line 29: lu: command not found  OR  
./rolo: line 29: add: command not found

#!/bin/bash
#
# Look someone up in the phone book
#

grep "$1" phonebook

echo '
     would you like to:

            1. Look someone up
       2. Add someone to the phone book
       3. Remove someone from the phone book

       Please select one of the above (1 - 3): \c'

#
# Read and process selection
#

read choice
echo
case "$choice"
in
    1) echo "Enter name to look up: \c"
       read name
       lu "$name";;
    2) echo "Enter name to be added: \c"
       read name
       echo "Enter number: \c"
       read number
       add "$name" "$number";;
    *) echo "Bad choice";;
esac

bash lu "$name" ;;
bash add "$name" "$number" ;;

./lu "$name" ;;
./add "$name" "$number" ;;

PATH=$PATH:.
export $PATH