#!/bin/bash

# This script displays various information to the screen.

# Display 'Hello'
echo 'Hello'

# Assign a value to a variable.
WORD='script'

# Display that value using a variable.
echo "$WORD"

# Demonstrate that single quotes cause variable to NOT get expanded.
echo '$WORD'

# combine the variable with a hard-coded sentence
echo "this is a shell $WORD"

# Display the contents of a variable with alternative syntx
echo "This is a shell ${WORD}"

# append text to variable
echo "${WORD}ing is super fun!"

# how to NOT append text to a variable
echo "$WORDing is super fun!"

# Assign new variable
ENDING='ed'

# concat two variables
echo "This is ${WORD}${ENDING}"

# Reassign value of variable
ENDING='ing'


echo "This is ${WORD}${ENDING}"