basic vars

localusers/luser-demo01.sh

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+#!/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}"