<programlisting language="bourne"><![CDATA[#!/bin/bash

set -e

PROG=$(basename "$0")
VAR1='foo'
VAR2="${VAR1}bar"

if [[ "${VAR1}" = "${VAR2}" ]]
then
    echo yes
else
    echo no
fi

exit 0]]></programlisting>

#!/bin/bash

set -e

PROG=$(basename "$0")
VAR1='foo'
VAR2="${VAR1}bar"

if [[ "${VAR1}" = "${VAR2}" ]]
then
    echo yes
else
    echo no
fi

exit 0