a=hot
b=damn
f1()
{
cat <<< "abcde"

cat <<< "yo"

cat <<< "$a $b"

cat <<< 'what a fabulous window treatment'

cat <<< 'double"quote'
}

f2()
{
cat <<< onetwothree
}

f3()
{
cat <<< "$@"
}

f1
f2
f3 first second third

typeset -f

cat <<< 'echo $(echo hi)'

cat <<< "echo ho"

cat <<< "echo $(echo off to work we go)"

IFS="/" read -r -d $'\000' -a uu <<< /kghfjk/jkfzuk/i
declare -p uu